| article html file updated | 9 February 2020 18:00 CET | Update | https://www.mdpi.com/2310-2861/4/2/43 |
| article html file updated | 3 October 2019 16:53 CEST | Update | - |
| article html file updated | 30 April 2019 18:56 CEST | Update | - |
| article html file updated | 16 April 2019 19:24 CEST | Update | - |
| article html file updated | 30 March 2019 01:52 CET | Update | - |
| article html file updated | 17 May 2018 13:39 CEST | Original file | - |
| article pdf uploaded. | 17 May 2018 13:38 CEST | Version of Record | https://www.mdpi.com/2310-2861/4/2/43/pdf |
| article xml uploaded. | 17 May 2018 13:38 CEST | Update | https://www.mdpi.com/2310-2861/4/2/43/xml |
| article xml file uploaded | 17 May 2018 13:38 CEST | Original file | - |
