The editorial team greatly appreciates the reviewers who have dedicated their considerable time and expertise to the journal’s rigorous editorial process over the past 12 months, regardless of whether the papers are finally published or not. In 2019, a total of 333 papers were published in the journal, with a median time to first decision of 14 days and a median time from submission to publication of 37 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019:
| Aa Haeruman Azam | Li Sun |
| Abbot O. Oghenekaro | Liang-Chun Wang |
| Abhay PS Rathore | Lidia Stasiak-Różańska |
| Abhijeet A. Bakre | Liliana Machado R.Ribeiro Da Silva |
| Abhinav Upadhyay | Lisa Guardone |
| Ad De Groof | Lisa M. Harrison |
| Adewole L. Okunade | Llilianne Ganges |
| Agnieszka Torzewska | Lorenzo Lombard |
| Aihua Tang | Luchang Zhu |
| Aine Mcknight | Lucía Fernández |
| Akihiko Hata | Luigi Santacroce |
| Alberto Antonelli | Luis Carlos Martínez |
| Alejandro Heuck | Luis Piñeiro |
| Aleksandra Pawlak | Lukasz Kozubowski |
| Ales Eichmeier | Łukasz M. Grześkowiak |
| Alex Mabou Tagne | Łukasz Stępień |
| Alexander Herbig | M C Gjessing |
| Alexander M Shestopalov | Mª Ángeles Pérez Morente |
| Alexander Malogolovkin | Maciej Gliniak |
| Alexander Schouten | Magdalena Karaś |
| Alexandra Ibáñez Escribano | Mahmoud A.O. Dawood |
| Alfredo J. Guerra | Makoto Kuroda |
| Alfredo Palop | Małgorzata Gieryńska |
| Aline Guidolin | Małgorzata Ziarno |
| Alison Luce-Fedrow | Malte. Kornhuber |
| Alister Craig | Manfred Köller |
| Aliyar Fouladkhah | Manu De Rycker |
| Alla Splichalova | Manuela Oliveira |
| Álvaro Francisco Lopes De Sousa | Marc Swidergall |
| Amir S. Siraj | Marcello Otake Sato |
| Amy L. Klocko | Marcello Tagliavia |
| Ana Cantos-Barreda | Marcelo Sousa Silva |
| Ana Cláudia Correia Coelho | Marcin Pigłowski |
| Ana Julia García-Malinis | Marcos Mancilla |
| Anannya Bhattacharya | Marcos Rogério André |
| Anca Roseanu Constantinescu | Marcus Scotti |
| Anders Johansson | Maria A. Neginskaya |
| András Fodor | Maria A. Pereira |
| André Luis Costa-Da-Silva | Maria Angeles Rojo |
| Andrea Luvisi | María Auxiliadora Dea-Ayuela |
| Andreana Pexara | Maria Caeiro |
| Andreas Suhrbier | María Dea-Ayuela |
| Andrew M. Borman | Maria Diuk-wasser |
| Andrew Nelson | Maria Doroteia Campos |
| Andrew W. Browar | María Elena González-Fandos |
| Angel Desai | Maria Eugenia Francia |
| Angela Brown | María Eugenia González |
| Ângela Novais | María Hijosa Valsero |
| Angelina Nunziata | Maria Isabella Prigigallo |
| Anna Berthold-Pluta | Maria Laura Ramirez |
| Anna Giammanco | Maria Leonor Faleiro |
| Anna Maria Vettraino | Maria Luisa Tello |
| Anna Rosa Garbuglia | Maria Salvato |
| Anna Teresa Palamara | Maria Teresa Montagna |
| Anna Valko | Mariana Baz |
| Anne Stene | Mariano Sánchez Crespo |
| Anne-Marie Perchec Merien | María-Teresa Pérez-Gracia |
| Annetta Zintl | Marilena Bazzano |
| Antoine Gessain | Marino Prearo |
| Antoine Talarmin | Mario Andres Pizzorno |
| Antonello Santini | Márió Gajdács |
| Antonia Rojas | Marissa Di Pietro |
| Antonio José Piantino Ferreira | Mark A. O’Dea |
| Antonio Mastino | Mark Peeples |
| Antonio Rivero-Juárez | Mark Tompkins |
| April D. Davis | Markus Hoffmann |
| Apurba K. Barman | Marta B. Lopes |
| Armando Arias Esteban | Marta Filipa Simões |
| Artur Alves | Masoume Amirkhani |
| Arvind Sharma | Mathieu Mateo |
| Asha Kumari | Matthew G. Varga |
| Ashok Kumar | Matthew S. Macauley |
| Asja Korajkic | Mayanka Awasthi |
| Bonto Faburay | Meera G. Nair |
| Atul Kumar Singh | Melanie T. Cushion |
| Atul Sharma | Melina Kerou |
| Ayush Ranawade | Melinda Brindley |
| Bahtiyar Yilmaz | Melissa Fernandez |
| Baki Akgül | Melissa Garcia-Sherman |
| Barbara Glover | Melissa H. Yoshimizu |
| Barbara Hissa | Meriel Jones |
| Barbara S. Schnierle | Michael Federle |
| Barbara Schneider | Michael Holbrook |
| Bastian Krom | Michael P. Reichel |
| Bei Gao | Michael Schreiber |
| Benjamin Lamp | Michael Watson Jr. |
| Bernard Dell | Michal Linial |
| Bernard Delmas | Michele Totaro |
| Bernardo Mainou | Michelle Visser |
| Bert Devriendt | Mihaela Ileana Ionescu |
| Binod Kumar | Mika Tarkka |
| Biruta Bankina | Miloš Lukáč |
| Björn Krenz | Ming Kun Hsieh |
| Blake Hildreth | Miqdad Dhariwala |
| Bonnie Webster | Mira Edgerton |
| Boris Gorovits | Mirja Puolakkainen |
| Bradford K. Berges | Mohan Amarasiri |
| Brandon Luedtke | Monica Embers |
| Britta Möhl | Monika Szymańska-Czerwińska |
| Bruce A. Rosa | Monish Ram Makena |
| Bruno A.C.M. Santos | Mrinal Bhattacharjee |
| Bruno Bagnoli | Muhammad Saleem |
| Caitlin Mullarkey | Muhammad Sohail Zafar |
| Cameron Parsons | Mukesh Gautam |
| Camila Coelho | Mukesh Kumar |
| Carla Mavian | Munegowda Koralur |
| Carlo Contini | Nagarjuna Reddy Cheemarla |
| Carlo Salerno | Nagendran Tharmalingam |
| Carlo Ticconi | Nam-Hyuk Cho |
| Carmen Chifiriuc | Nancy Lin |
| Carmen Sieiro | Naphak Modhiran |
| Carolina H. Pohl | Natasha Botwright |
| Carolina Mehaffy | Nathan Sherer |
| Catarina Campos | Neeltje Van Doremalen |
| Catherine Eichwald | Neeraj Chauhan |
| Célia F. Rodrigues | Nianshuang Wang |
| Chandan Pal | Nicholas Cianciotto |
| Charles S. Apperson | Nicholas Johnson |
| Charlotte Houldcroft | Nicky Buller |
| Chiara Piubelli | Nicola Jones |
| Chih-Jung Chen | Niedzielska Iwona |
| Chin-Chuan Hung | Niraj Shil |
| Chitra Upadhyay | Norbert Müller |
| Chris Netherton | Norbert Nowotny |
| Christine Unterweger | Noura Dosoky |
| Christopher Broder | Nuruddin Unchwaniwala |
| Christopher N. LaRock | Ohad Mazor |
| Christopher V. Hughes | Orusa Riccardo |
| Chukwunonso Nzelu | Pallavi Singh |
| Chunfeng Li | Palmiro Poltronieri |
| Chunliu Zhuo | Panagiota Xaplanteri |
| Cintia Hiromi Okino | Panagiotis Karanis |
| Claire Crossan | Paola Sperandeo |
| Claudia Rückert | Paolo Pastorino |
| Constantinos Tsioutis | Partha Karmakar |
| Consuelo Carrillo | Pascal Van Der Weele |
| Cristina Howard-Varona | Pascale Perrin |
| Dagmar Ringe | Patricia Graves |
| Dagmar Stehlikova | Patricia Resa-Infante |
| Daisuke Sano | Paul Kinchington |
| Daisuke Takamatsu | Paulina Niedźwiedzka-Rystwej |
| Dalibor Sedláček | Paulina Rajko-Nenow |
| Daniel Cameron | Pedro Souza |
| Daniel Depledge | Pejin Boris |
| Daniel Fine | Peng Xu |
| Daniel Kornitzer | Peter Lipke |
| Daniel Melters | Peter Mayne |
| Daniel O’Connor | Philip W. Wertz |
| Daniel Stein | Philippe Colson |
| Daniele Provenzano | Pierluigi Bonello |
| Dardiotis Efthimios | Pietro G. Tiscar |
| Dariusz Młynski | Pinelopi Samara |
| David J. Leaver | Pio Maria Furneri |
| David Allen | Piotr Szweda |
| David Cole Stevens | Poom Adsakwattana |
| David Higgs | Pravin Kaldhone |
| David K. Meyerholz | Priscila M Da Silva Castanha |
| David Ramilo | Priya Halvorsen |
| Dawn Weir | Pruthvi Balachandra Kalyandurg |
| Debora Dellamaria | Przemyslaw Cwynar |
| Déborah Merda | Puck Van Kasteren |
| Der-Shan Sun | Qiuyan Shao |
| Diane Park | R Blake Billmyre |
| Dimosthenis Chochlakis | Rachel A. Katzenellenbogen |
| Dipesh Dhakal | Rachel Breyta |
| Dirk Lange | Raffael Nachbagauer |
| Domenico Tortorella | Raffaela Pero |
| Donald J. Alcendor | Raghavendra Yadavalli |
| Donna Koslowsky | Rahul Dutta |
| Dra. Virginia Aragon | Rahul Jayant |
| Duc Cuong Bui | Rakesh Ganji |
| Ebtihal Alshabib | Randal N. Johnston |
| Eduardo Gottuzo | Randy Albrecht |
| Edward R.B. Moore | Raquel Muñoz-Moreno |
| Edyta Wieczorek | Rashika EI Ridi |
| Eeva J. Vainio | Rebecca Christofferson |
| Efstathios A. Katsifas | Reed F. Johnson |
| Egídio Torrado | Relja Beck |
| Eike Steinmann | Reto Brun |
| Einar Birkeland | Richard Bingham |
| Elena Atrián-Blasco | Richard Bowen |
| Elena Criscuolo | Richard Delahay |
| Elena Gonella | Richard M. Beteck |
| Eli Dueker | Richard Uwiera |
| Elizabeth Witherden | Rijkelt Beumer |
| Elvia Janeth Osorio | Rinaldo Pellicano |
| Eman Anis | Ritwij Kulkarni |
| Emanuel Vamanu | Robert Cross |
| Emma C Hobbs | Robert J. Bastidas |
| Enrico De Lillo | Robert Wojtyczka |
| Eran Bosis | Robert Y.-L. Wang |
| Eric Ghigo | Rodney Hoff |
| Eric Wellington Riddick | Roland Zell |
| Erin M. Rehrig | Romain Paillot |
| Esther E. Biswas-Fiss | Romana Vulturar |
| Eugene MacCarthy | Rosa Araujo |
| Eva Kaclikova | Rosa Gaglione |
| Eva Sapi | Rositsa Denkova-Kostova |
| Eva Varallyay | Ross Beier |
| Ewa Bok | Rowena Bull |
| Ewa Kaczorek | Rui M.S. Cruz |
| Ewa Plant | Ruiyong Zhang |
| Ewelina Krol | Rupsa Datta |
| Fabrizio Bertelloni | Ruth Serra-Moreno |
| Fan Zhang | Ryan Rego |
| Fany Reffuveille | Sabrina Cadel-Six |
| Farah Asa'ad | Sachio Tsuchida |
| Fayna Diaz-San Segundo | Sae Woong Park |
| Federica Di Profio | Saguna Verma |
| Feng Qu | Sam Alsford |
| Fernando Monroy | Sam Peterson |
| Fernando Pliego-Alfaro | Samina Akbar |
| Fetweh Al-Saleem | Samuel A.M. Martin |
| Filippo Fratini | Samuel Collins |
| Fiona M. Sansom | Samuel K. Mutiga |
| Florian Krammer | Sandeep Upadhyay |
| Florin George Horhat | Sandra Martínez-Turiño |
| Francesca Mancianti | Sara Bernardi |
| Francini Klaumann | Sara Bonetta |
| Francisco Llorente | Sara Suliman |
| Francisco Ramos Morales | Sara Tramontini |
| Franco H. Falcone | Sarah Caddy |
| Frank Pessler | Sarah Sapp |
| Freddy Ibanez Carrasco | Sarah Sze Wah Wong |
| Fun-In Wang | Satheeshkumar Palanisamy |
| Gabriela Jorge Da Silva | Satish Raina |
| Gabriela Motoie | Scott Bowden |
| Gabriele A. Landolt | Sebastian Gnat |
| Gaetano Isola | Selma Giorgio |
| Ganyu Gu | Serena Delbue |
| Gavin K. Paterson | Sergio Vargas |
| Gema Alama-Bermejo | Seung-Yoon Oh |
| Gen Kaneko | Shanmugam Muruganandan |
| George B Kyei | Shannon Ronca |
| Ghasem Rashidian | Shaolei Teng |
| Giedrė Alzbutienė | Sheila Crowe |
| Gina Harper | Sherif T.S. Hassan |
| Gonzalo Moratorio | Shigeki Kamitani |
| Göran Wadell | Shinji Matsuda |
| Goutam Kumar Tanti | Shreesh Sammi |
| Graham Nugent | Shuvo Bakar |
| Grant Hughes | Shyamal Choudhari |
| Graziella Berta | SI Kawazu |
| Gregory Caputo | Sigrun Eick |
| Guillermo Ignacio Perez-Perez | Sílvia A. Sousa |
| Guofang Shen | Silvia Bonetta |
| Harini Iyer | Sinead M. Smith |
| Hassan Mahsoub | Slavena Vylkova |
| Heba Alzan | Smriti Verma |
| Hee-Soo Park | Sonu Subudhi |
| Helen Buse | Sophie Granier |
| Helen Hu | Sophie Kathariou |
| Hélène Sanfaçon | Sophie Rodrigues |
| Helle Bielefeldt-Ohmann | Sophie Shaw |
| Hema Prasad Narra | Souleymane Doucoure |
| Hercules Sakkas | Spiros Paramythiotis |
| Hirofumi Shimomura | Sreekumar Othumpangat |
| Hiromi Takahashi-Omoe | Srikanth Reddy Janga |
| Hironori Yoshiyama | Srinath Pashikanti |
| Hon Ho | Stefan Worgall |
| Hua Qin | Stefanie Barbirz |
| Hyun-Woo Park | Stefano Aquaro |
| Ignacio Mena | Stefano Petrini |
| Igor Splichal | Stella Maris González Cappa |
| Ildikó Bácskay | Stella Maris Pezzotto |
| Ilse Jacobsen | Stephane Lemiere |
| Imaan Benmerzouga | Stephen W. Tuffs |
| Imran Siddiqui | Stephen Forsythe |
| Inga Eichhorn | Steven Bradfute |
| Irina Kontsevaya | Steven Rockman |
| Isabel Joao Soares Silva | Steven Singer |
| Ivan Sanz Muñoz | Steven Van Lanen |
| Ivy Dambuza | Striker Rob |
| J. Claire Hoving | Subbulakshmi Suresh |
| Jacek Karamon | Subha Das |
| Jack Nunberg | Sudip Ray |
| Jacob Lorenzo-Morales | Sue Ellen Crawford |
| Jacques Thibodeau | Sujeet Kumar |
| Jaime Carrasco | Sukhvinder Singh |
| Jakub Dalibor Rybka | Sumit Ghosh |
| James B. Dale | Sunil Kumar |
| Janetta Niemann | Suresh Kuchipudi |
| Jan-Ulrik Dahl | Susan Cork |
| Jason E. Comer | Susan Joseph |
| Jason Kaelber | Swinburne A.J. Augustine |
| Jason Kindrachuk | Sy Duong-Quy |
| Javier Ventura-Juárez | Sybren G. de. Hoog |
| Jean A. Bernatchez | Sylvia Bruisten |
| Jean O’Dwyer | Sylwia Andrzejczuk |
| Jean-Heinrich Daugrois | Tahl Zimmerman |
| Jeff Wilusz | Taisun Kim |
| Jens Andre Hammerl | Takayuki Murata |
| Jens Kreth | Tanel Punga |
| Jeongmin Song | Tatsufumi Usui |
| Jeroen D. Langereis | Teiji Sawa |
| Jessica Spengler | Teng Peng |
| Jesus Romo | Teresa Lambe |
| Jijun Tang | Teresa O'Meara |
| Jimmy T. Efird | Terry Ann Else |
| Jing Jin | Thamarai Janganan |
| Joanna Sztuba-Solinska | Theodore S. Kapellos |
| Joel N. Maslow | Thillaiampalam Sivakumar |
| Joel Rovnak | Thomas Dandekar |
| Joergen Schlundt | Timothy John Mahony |
| Johannes Werner | Ting Zhang |
| John Cipollo | Todd Reynolds |
| John Dart | Tomas Duffy |
| Jonathan Yewdell | Tommaso Felicetti |
| Jong Hwan Kwak | Tomohiro Ishikawa |
| Joo Hwan No | Tomomi Nakahara |
| Jooyoun Park | Tomomi Takano |
| José Bengoechea | Tor Atle Mo |
| Jose Maria Santos | Tracy Nicholson |
| Jose Thekkiniath | Ulrich Desselberger |
| José Tuells | Valentina Dell'Oste |
| Joyce Wilson | Vallì De Re |
| Juan Rodriguez-Flores | Van Khanh Nguyen |
| Julia Romano | Veeranoot Nissapatorn |
| Julián Solís García Del Pozo | Veerupaxagouda Patil |
| Julius Lukes | Velmurugan Balaraman |
| Junji Xing | Veronica Jarocki |
| Kai Matuschewski | Vesna Krnjaja |
| Kai Tang | Victor Huber |
| Kamila Rybczyńska-Tkaczyk | Viktoria Rungelrath |
| Kamlesh Pawar | Vincent Bourret |
| Kanakala Surapathrudu | Vincent Delorme |
| Kapil Chousalkar | Vincenzina Fusco |
| Karim Essani | Vincenzo Cavalieri |
| Karl Drlica | Vincenzo Lionetti |
| Karthik Kamath | Vinko Krstanović |
| Katarzyna Otulak-Kozieł | Virag Sharma |
| Kathryn E. Reif | Virginie Doceul |
| Katrina Bosward | Vishal Kishor Khatri |
| Kazuhide Sato | Vishukumar Aimanianda |
| Keiji Ueda | Vitaly Ganusov |
| Keith Weaver | Vittorino Novello |
| Kelli L. Barr | Vivi Miriagou |
| Kelly Elkins | Vladimir Vimberg |
| Kendra Alfson | Walid Azab |
| Ken-ichiro Minato | Wankun Xie |
| Kenneth Liegner | Wansu Park |
| Kevin Sokoloski | Warish Ahmed |
| Khaled Sultan | Wei-Chen Lin |
| Kim Blasdell | Weili Kong |
| Kinga Stuper | Wendy Page |
| Kiril M. Dimitrov | Wen-Wei Chang |
| Kirsten Parratt | William Schwan |
| Kirstin Ross | Wioletta Adamus-Białek |
| Koen K.A. Van Rompay | Wolfram Brune |
| Konstantinos Triantafyllou | Xaver Sewald |
| Krishnendu Khan | Xi Wang |
| Kristina G Hulten | Xian Cao |
| Krisztian Magori | Xisha Wang |
| Krzysztof Skowron | Yashar Sadigh |
| Kuldeep Gupta | Yi-Ning Chen |
| Kunfeng Sun | Yoichi Furuya |
| Kun-Hsien Tsai | Yongjun Sui |
| Kyoko Tsukiyama-Kohara | Yoshihiro Sakoda |
| Lakshmyya N. Kesavalu | Yosra A. Helmy |
| Lara Console | Yutaka Kishida |
| Larry Anderson | Yuying Liang |
| Larry Simpson | Zachary Stromberg |
| Laura Goodman | Zhe Wang |
| Laura Righetti | Zhicheng Dou |
| Lei Huang | Zigui Chen |
| Leidy Lagos | Zorana Katanić |
| Leyi Wang |
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