| article html file updated | 20 April 2020 16:37 CEST | Update | https://www.mdpi.com/1996-1073/13/7/1620 |
| article html file updated | 2 April 2020 13:27 CEST | Update | N/A |
| article html file updated | 2 April 2020 13:26 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2020 05:44 CEST | Updated version of record | https://www.mdpi.com/1996-1073/13/7/1620/pdf |
| article xml uploaded. | 2 April 2020 05:44 CEST | Update | https://www.mdpi.com/1996-1073/13/7/1620/xml |
| article xml file uploaded | 2 April 2020 05:44 CEST | Update | N/A |
| article xml file uploaded | 2 April 2020 05:37 CEST | Original file | N/A |
