| article html file updated | 12 February 2020 17:56 CET | Update | https://www.mdpi.com/2412-3811/4/2/33 |
| article html file updated | 21 October 2019 10:05 CEST | Update | N/A |
| article html file updated | 25 June 2019 08:45 CEST | Original file | N/A |
| article pdf uploaded. | 25 June 2019 08:44 CEST | Updated version of record | https://www.mdpi.com/2412-3811/4/2/33/pdf |
| article xml uploaded. | 25 June 2019 08:44 CEST | Update | https://www.mdpi.com/2412-3811/4/2/33/xml |
| article xml file uploaded | 25 June 2019 08:44 CEST | Update | N/A |
| article xml file uploaded | 5 June 2019 16:30 CEST | Original file | N/A |
