| article html file updated | 12 February 2020 06:37 CET | Update | https://www.mdpi.com/1660-3397/17/4/236 |
| article html file updated | 18 October 2019 16:48 CEST | Update | N/A |
| article html file updated | 8 May 2019 15:29 CEST | Update | N/A |
| article html file updated | 25 April 2019 11:58 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2019 11:56 CEST | Updated version of record | https://www.mdpi.com/1660-3397/17/4/236/pdf |
| article xml uploaded. | 25 April 2019 11:56 CEST | Update | https://www.mdpi.com/1660-3397/17/4/236/xml |
| article xml file uploaded | 25 April 2019 11:56 CEST | Update | N/A |
| article pdf uploaded. | 19 April 2019 16:22 CEST | Version of Record | https://www.mdpi.com/1660-3397/17/4/236/pdf-vor |
| article xml file uploaded | 19 April 2019 16:22 CEST | Original file | N/A |
