| article html file updated | 10 February 2020 18:05 CET | Update | https://www.mdpi.com/2075-1702/6/4/50 |
| article html file updated | 9 October 2019 15:09 CEST | Update | - |
| article html file updated | 28 April 2019 15:34 CEST | Update | - |
| article html file updated | 14 April 2019 10:42 CEST | Update | - |
| article html file updated | 1 April 2019 12:20 CEST | Update | - |
| article html file updated | 26 December 2018 03:44 CET | Update | - |
| article pdf uploaded. | 26 October 2018 11:13 CEST | Version of Record | https://www.mdpi.com/2075-1702/6/4/50/pdf |
| article xml uploaded. | 26 October 2018 11:13 CEST | Update | https://www.mdpi.com/2075-1702/6/4/50/xml |
| article xml file uploaded | 26 October 2018 11:13 CEST | Original file | - |
| article html file updated | 26 October 2018 11:12 CEST | Original file | - |
