| article html file updated | 12 February 2020 09:39 CET | Update | https://www.mdpi.com/2305-7084/3/2/44 |
| article html file updated | 19 October 2019 11:29 CEST | Update | - |
| article html file updated | 31 May 2019 07:50 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 07:48 CEST | Updated version of record | https://www.mdpi.com/2305-7084/3/2/44/pdf |
| article xml uploaded. | 31 May 2019 07:48 CEST | Update | https://www.mdpi.com/2305-7084/3/2/44/xml |
| article xml file uploaded | 31 May 2019 07:48 CEST | Update | - |
| article pdf uploaded. | 3 May 2019 07:18 CEST | Version of Record | https://www.mdpi.com/2305-7084/3/2/44/pdf-vor |
| article xml file uploaded | 3 May 2019 07:18 CEST | Original file | - |