Silvia Maya-Enero is a neonatologist at Hospital del Mar, Barcelona (Spain). She earned her Medicine degree from Universitat de Barcelona in 2002 and her PhD in Medicine in 2011 from the same university. She specialized in Pediatrics at Hospital Sant Joan de Déu, Barcelona, from 2003 to 2007. She obtained a master's degree in Neonatology in 2017 from Universidad Católica de Valencia. She has been working as a neonatologist at Hospital del Mar since 2016. She is also an associate professor at Universitat Pompeu Fabra.

Júlia Candel-Pau is a neonatologist at Hospital del Mar, Barcelona (Spain). She earned her Medicine degree from Universitat de Barcelona in 2003 and her PhD in Medicine in 2014 from Universitat Autònoma de Barcelona. She specialized in Pediatrics at Hospital Vall d'Hebron in Barcelona from 2004 to 2008. She obtained a master's degree in Neonatology in 2012 from Universitat Autònoma de Barcelona and completed a postgraduate course in the Neonatal Behavioural Assessment Scale (NBAS) in 2013 at Universitat Autònoma de Barcelona. She has been working as a neonatologist at Hospital del Mar since 2015. She is also an associate professor at Universitat Pompeu Fabra.

Beatriz valle del Barrio is a neonatologist at Hospital del Mar, Barcelona (Spain). She earned her Medicine degree from Universitat de Barcelona in 2009. She specialized in Pediatrics at Hospital Vall d'Hebron, Barcelona, from 2010 to 2014. She obtained a master's degree in Neonatology in 2023 from Universidad Católica de Murcia. She has been working as a neonatologist at Hospital del Mar since 2022.

M Fàbregas is a nurse at Hospital del Mar, Barcelona. She earned her Nursing degree from Universitat Autònoma de Barcelona in 1997. She specialized in Pediatrics in 2013 and obtained her PhD in Science Health in 2019 from Universitat de Barcelona. She has been working as a pediatric nurse at Hospital del Mar since 2000 and has worked in the same hospital as a head nurse since 2020. She is also a collaborative professor at Universitat Pompeu Fabra. She has been an anthropologist since 2008.

S. Prieto has been a nurse since 2004. She graduated from the University of Barcelona in 2004. She has been a pediatric nurse specialist since 2016 and an IBCLC (International Board Certified Lactation Consultant) nurse since 2019. She has worked in the neonatal unit at Hospital del Mar, Barcelona, Spain, since July 2004.

Mª Ángeles López Vílchez is the Chief of the Pediatrics Service at Hospital del Mar, Barcelona (Spain). She earned her Medicine degree from Universitat Autònoma de Barcelona in 1995 and her PhD in Medicine in 2006 from the same university. She specialized in Pediatrics at Hospital Sant Joan de Déu, Barcelona, from 1996 to 2000. In 2001, she started working as a neonatologist in Hospital del Mar in Barcelona; she became Head of the Neonatology Section in 2013 and Chief of the Pediatrics Service of the same hospital in 2016. She obtained a master's degree in Hospital Management and Health Services in 2017 from Universitat de Barcelona. She became an associate professor of medicine at Universitat Autònoma de Barcelona from 2005 to 2022, and from then until today at Universitat Pompeu Fabra.