| article html file updated | 14 February 2020 00:37 CET | Update | https://www.mdpi.com/1996-1073/12/20/3881 |
| article html file updated | 29 October 2019 21:41 CET | Update | N/A |
| article html file updated | 14 October 2019 10:59 CEST | Original file | N/A |
| article pdf uploaded. | 14 October 2019 10:57 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3881/pdf |
| article xml uploaded. | 14 October 2019 10:57 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3881/xml |
| article xml file uploaded | 14 October 2019 10:57 CEST | Original file | N/A |
