| article html file updated | 11 February 2020 06:10 CET | Update | https://www.mdpi.com/2073-431X/8/1/4 |
| article html file updated | 12 October 2019 18:00 CEST | Update | - |
| article html file updated | 27 April 2019 12:35 CEST | Update | - |
| article html file updated | 13 April 2019 08:33 CEST | Update | - |
| article html file updated | 2 April 2019 20:56 CEST | Update | - |
| article html file updated | 2 April 2019 11:25 CEST | Update | - |
| article html file updated | 26 February 2019 11:07 CET | Update | - |
| article html file updated | 1 January 2019 10:31 CET | Original file | - |
| article pdf uploaded. | 1 January 2019 10:29 CET | Version of Record | https://www.mdpi.com/2073-431X/8/1/4/pdf |
| article xml uploaded. | 1 January 2019 10:29 CET | Update | https://www.mdpi.com/2073-431X/8/1/4/xml |
| article xml file uploaded | 1 January 2019 10:29 CET | Original file | - |
