| article html file updated | 9 February 2020 11:18 CET | Update | https://www.mdpi.com/2310-2861/4/2/28 |
| article html file updated | 1 October 2019 23:43 CEST | Update | - |
| article html file updated | 1 May 2019 08:37 CEST | Update | - |
| article html file updated | 17 April 2019 08:32 CEST | Update | - |
| article html file updated | 29 March 2019 09:55 CET | Update | - |
| article html file updated | 26 March 2018 17:26 CEST | Original file | - |
| article xml uploaded. | 26 March 2018 15:15 CEST | Original file | https://www.mdpi.com/2310-2861/4/2/28/xml |
| article pdf uploaded. | 26 March 2018 15:15 CEST | Version of Record | https://www.mdpi.com/2310-2861/4/2/28/pdf |
