| article html file updated | 8 May 2020 13:14 CEST | Update | https://www.mdpi.com/2073-4409/9/4/1039 |
| article html file updated | 22 April 2020 10:59 CEST | Original file | - |
| article pdf uploaded. | 22 April 2020 10:58 CEST | Updated version of record | https://www.mdpi.com/2073-4409/9/4/1039/pdf |
| article xml uploaded. | 22 April 2020 10:58 CEST | Update | https://www.mdpi.com/2073-4409/9/4/1039/xml |
| article xml file uploaded | 22 April 2020 10:58 CEST | Update | - |
| article pdf uploaded. | 22 April 2020 10:46 CEST | Updated version of record | - |
| article xml file uploaded | 22 April 2020 10:46 CEST | Update | - |
| article xml file uploaded | 22 April 2020 10:46 CEST | Original file | - |
