| article html file updated | 13 February 2020 23:08 CET | Update | https://www.mdpi.com/2504-5377/3/4/61 |
| article html file updated | 31 December 2019 02:43 CET | Update | - |
| article html file updated | 11 October 2019 10:35 CEST | Original file | - |
| article pdf uploaded. | 11 October 2019 10:34 CEST | Updated version of record | https://www.mdpi.com/2504-5377/3/4/61/pdf |
| article xml uploaded. | 11 October 2019 10:34 CEST | Update | https://www.mdpi.com/2504-5377/3/4/61/xml |
| article xml file uploaded | 11 October 2019 10:34 CEST | Update | - |
| article pdf uploaded. | 8 October 2019 17:19 CEST | Version of Record | https://www.mdpi.com/2504-5377/3/4/61/pdf-vor |
| article xml file uploaded | 8 October 2019 17:19 CEST | Original file | - |
