| article html file updated | 12 February 2020 16:11 CET | Update | https://www.mdpi.com/2504-186X/4/2/13 |
| article html file updated | 20 October 2019 23:22 CEST | Update | - |
| article html file updated | 25 June 2019 06:18 CEST | Original file | - |
| article pdf uploaded. | 25 June 2019 06:17 CEST | Updated version of record | https://www.mdpi.com/2504-186X/4/2/13/pdf |
| article xml uploaded. | 25 June 2019 06:17 CEST | Update | https://www.mdpi.com/2504-186X/4/2/13/xml |
| article xml file uploaded | 25 June 2019 06:17 CEST | Update | - |
| article pdf uploaded. | 29 May 2019 14:42 CEST | Version of Record | https://www.mdpi.com/2504-186X/4/2/13/pdf-vor |
| article xml file uploaded | 29 May 2019 14:42 CEST | Original file | - |
