| article html file updated | 11 February 2020 15:40 CET | Update | https://www.mdpi.com/2076-0760/8/2/50 |
| article html file updated | 14 October 2019 21:50 CEST | Update | - |
| article html file updated | 26 April 2019 17:32 CEST | Update | - |
| article html file updated | 12 April 2019 13:28 CEST | Update | - |
| article html file updated | 3 April 2019 19:33 CEST | Update | - |
| article html file updated | 28 February 2019 22:41 CET | Update | - |
| article html file updated | 14 February 2019 01:24 CET | Original file | - |
| article pdf uploaded. | 13 February 2019 11:30 CET | Version of Record | https://www.mdpi.com/2076-0760/8/2/50/pdf |
| article xml uploaded. | 13 February 2019 11:30 CET | Update | https://www.mdpi.com/2076-0760/8/2/50/xml |
| article xml file uploaded | 13 February 2019 11:30 CET | Original file | - |
