| article html file updated | 9 February 2020 12:46 CET | Update | https://www.mdpi.com/1660-3397/16/4/120 |
| article html file updated | 2 October 2019 08:19 CEST | Update | - |
| article html file updated | 1 May 2019 05:35 CEST | Update | - |
| article html file updated | 17 April 2019 05:45 CEST | Update | - |
| article html file updated | 29 March 2019 13:16 CET | Update | - |
| article html file updated | 1 May 2018 12:02 CEST | Update | - |
| article html file updated | 9 April 2018 08:39 CEST | Update | - |
| article xml uploaded. | 9 April 2018 08:37 CEST | Update | https://www.mdpi.com/1660-3397/16/4/120/xml |
| article pdf uploaded. | 9 April 2018 08:37 CEST | Updated version of record | https://www.mdpi.com/1660-3397/16/4/120/pdf |
| article html file updated | 6 April 2018 09:47 CEST | Original file | - |
| article pdf uploaded. | 6 April 2018 09:46 CEST | Version of Record | https://www.mdpi.com/1660-3397/16/4/120/pdf-vor |