| article html file updated | 8 February 2020 18:33 CET | Update | https://www.mdpi.com/2504-186X/2/4/17 |
| article html file updated | 27 September 2019 18:59 CEST | Update | - |
| article html file updated | 2 May 2019 21:05 CEST | Update | - |
| article html file updated | 16 October 2017 13:00 CEST | Original file | - |
| article xml uploaded. | 16 October 2017 12:59 CEST | Update | https://www.mdpi.com/2504-186X/2/4/17/xml |
| article xml uploaded. | 16 October 2017 12:59 CEST | Original file | - |
| article pdf uploaded. | 16 October 2017 12:59 CEST | Version of Record | https://www.mdpi.com/2504-186X/2/4/17/pdf |
