| article html file updated | 12 February 2020 13:00 CET | Update | https://www.mdpi.com/2571-550X/2/2/19 |
| article html file updated | 20 October 2019 06:16 CEST | Update | - |
| article html file updated | 24 June 2019 12:42 CEST | Original file | - |
| article pdf uploaded. | 24 June 2019 12:41 CEST | Updated version of record | https://www.mdpi.com/2571-550X/2/2/19/pdf |
| article xml uploaded. | 24 June 2019 12:41 CEST | Update | https://www.mdpi.com/2571-550X/2/2/19/xml |
| article xml file uploaded | 24 June 2019 12:40 CEST | Update | - |
| article pdf uploaded. | 16 May 2019 15:55 CEST | Version of Record | https://www.mdpi.com/2571-550X/2/2/19/pdf-vor |
| article xml file uploaded | 16 May 2019 15:55 CEST | Original file | - |
