| article html file updated | 9 February 2020 13:01 CET | Update | https://www.mdpi.com/2310-2861/4/2/33 |
| article html file updated | 2 October 2019 09:56 CEST | Update | - |
| article html file updated | 1 May 2019 05:05 CEST | Update | - |
| article html file updated | 17 April 2019 05:18 CEST | Update | - |
| article html file updated | 29 March 2019 13:49 CET | Update | - |
| article html file updated | 9 April 2018 09:56 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 09:54 CEST | Update | https://www.mdpi.com/2310-2861/4/2/33/xml |
| article pdf uploaded. | 9 April 2018 09:54 CEST | Version of Record | https://www.mdpi.com/2310-2861/4/2/33/pdf |
