| article html file updated | 12 February 2020 19:07 CET | Update | https://www.mdpi.com/2504-186X/4/2/15 |
| article html file updated | 21 October 2019 18:05 CEST | Update | - |
| article html file updated | 12 June 2019 10:54 CEST | Original file | - |
| article pdf uploaded. | 12 June 2019 10:53 CEST | Version of Record | https://www.mdpi.com/2504-186X/4/2/15/pdf |
| article xml uploaded. | 12 June 2019 10:53 CEST | Update | https://www.mdpi.com/2504-186X/4/2/15/xml |
| article xml file uploaded | 12 June 2019 10:53 CEST | Original file | - |
