| article html file updated | 14 February 2020 03:02 CET | Update | https://www.mdpi.com/1996-1073/12/20/4020 |
| article html file updated | 29 October 2019 22:49 CET | Update | N/A |
| article html file updated | 22 October 2019 16:21 CEST | Original file | N/A |
| article pdf uploaded. | 22 October 2019 16:19 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/4020/pdf |
| article xml uploaded. | 22 October 2019 16:19 CEST | Update | https://www.mdpi.com/1996-1073/12/20/4020/xml |
| article xml file uploaded | 22 October 2019 16:18 CEST | Original file | N/A |
