| article html file updated | 10 February 2020 10:34 CET | Update | https://www.mdpi.com/2077-0375/8/3/81 |
| article html file updated | 7 October 2019 18:50 CEST | Update | - |
| article html file updated | 29 April 2019 06:27 CEST | Update | - |
| article html file updated | 15 April 2019 02:07 CEST | Update | - |
| article html file updated | 31 March 2019 18:03 CEST | Update | - |
| article html file updated | 12 September 2018 13:16 CEST | Original file | - |
| article pdf uploaded. | 12 September 2018 13:14 CEST | Version of Record | https://www.mdpi.com/2077-0375/8/3/81/pdf |
| article xml uploaded. | 12 September 2018 13:14 CEST | Update | https://www.mdpi.com/2077-0375/8/3/81/xml |
| article xml file uploaded | 12 September 2018 13:14 CEST | Original file | - |
