| article html file updated | 12 February 2020 06:38 CET | Update | https://www.mdpi.com/2077-0472/9/4/81 |
| article html file updated | 18 October 2019 16:52 CEST | Update | - |
| article html file updated | 8 May 2019 15:59 CEST | Update | - |
| article html file updated | 25 April 2019 08:59 CEST | Update | - |
| article html file updated | 21 April 2019 07:46 CEST | Original file | - |
| article pdf uploaded. | 21 April 2019 07:44 CEST | Updated version of record | https://www.mdpi.com/2077-0472/9/4/81/pdf |
| article xml uploaded. | 21 April 2019 07:44 CEST | Update | https://www.mdpi.com/2077-0472/9/4/81/xml |
| article xml file uploaded | 21 April 2019 07:44 CEST | Update | - |
| article pdf uploaded. | 19 April 2019 16:45 CEST | Version of Record | https://www.mdpi.com/2077-0472/9/4/81/pdf-vor |
| article xml file uploaded | 19 April 2019 16:45 CEST | Original file | - |
