| article html file updated | 9 February 2020 11:13 CET | Update | https://www.mdpi.com/1660-3397/16/4/103 |
| article html file updated | 1 October 2019 23:13 CEST | Update | - |
| article html file updated | 1 May 2019 08:49 CEST | Update | - |
| article html file updated | 17 April 2019 08:43 CEST | Update | - |
| article html file updated | 29 March 2019 09:43 CET | Update | - |
| article html file updated | 1 May 2018 11:48 CEST | Update | - |
| article html file updated | 25 March 2018 12:33 CEST | Original file | - |
| article xml uploaded. | 25 March 2018 12:32 CEST | Update | https://www.mdpi.com/1660-3397/16/4/103/xml |
| article pdf uploaded. | 25 March 2018 12:32 CEST | Version of Record | https://www.mdpi.com/1660-3397/16/4/103/pdf |
