| article html file updated | 28 April 2021 09:59 CEST | Update | https://www.mdpi.com/1660-4601/18/9/4523 |
| article html file updated | 27 April 2021 13:32 CEST | Update | - |
| article html file updated | 27 April 2021 13:32 CEST | Update | - |
| article pdf uploaded. | 27 April 2021 13:31 CEST | Updated version of record | https://www.mdpi.com/1660-4601/18/9/4523/pdf |
| article xml uploaded. | 27 April 2021 13:31 CEST | Update | https://www.mdpi.com/1660-4601/18/9/4523/xml |
| article xml file uploaded | 27 April 2021 13:31 CEST | Update | - |
| article html file updated | 27 April 2021 12:54 CEST | Original file | - |
| article pdf uploaded. | 27 April 2021 12:53 CEST | Updated version of record | - |
| article xml file uploaded | 27 April 2021 12:53 CEST | Original file | - |
