| article html file updated | 9 February 2020 16:15 CET | Update | https://www.mdpi.com/2310-2861/4/2/41 |
| article html file updated | 3 October 2019 05:23 CEST | Update | - |
| article html file updated | 30 April 2019 22:44 CEST | Update | - |
| article html file updated | 16 April 2019 23:15 CEST | Update | - |
| article html file updated | 29 March 2019 21:29 CET | Update | - |
| article html file updated | 3 May 2018 14:19 CEST | Original file | - |
| article pdf uploaded. | 3 May 2018 14:18 CEST | Version of Record | https://www.mdpi.com/2310-2861/4/2/41/pdf |
| article xml uploaded. | 3 May 2018 14:18 CEST | Update | https://www.mdpi.com/2310-2861/4/2/41/xml |
| article xml file uploaded | 3 May 2018 14:18 CEST | Original file | - |