| article html file updated | 11 February 2020 14:45 CET | Update | https://www.mdpi.com/2410-3888/4/1/9 |
| article html file updated | 26 April 2019 19:12 CEST | Update | - |
| article html file updated | 12 April 2019 15:09 CEST | Update | - |
| article html file updated | 3 April 2019 17:31 CEST | Update | - |
| article html file updated | 28 February 2019 18:40 CET | Update | - |
| article html file updated | 26 February 2019 09:09 CET | Original file | - |
| article pdf uploaded. | 26 February 2019 09:07 CET | Updated version of record | https://www.mdpi.com/2410-3888/4/1/9/pdf |
| article xml uploaded. | 26 February 2019 09:07 CET | Update | https://www.mdpi.com/2410-3888/4/1/9/xml |
| article xml file uploaded | 26 February 2019 09:07 CET | Update | - |
| article pdf uploaded. | 9 February 2019 16:14 CET | Version of Record | https://www.mdpi.com/2410-3888/4/1/9/pdf-vor |
| article xml file uploaded | 9 February 2019 16:14 CET | Original file | - |
