| article html file updated | 9 May 2020 04:45 CEST | Update | https://www.mdpi.com/2073-4360/12/4/766 |
| article html file updated | 2 April 2020 13:06 CEST | Update | - |
| article html file updated | 2 April 2020 12:39 CEST | Original file | - |
| article pdf uploaded. | 1 April 2020 15:35 CEST | Updated version of record | https://www.mdpi.com/2073-4360/12/4/766/pdf |
| article xml uploaded. | 1 April 2020 15:35 CEST | Update | https://www.mdpi.com/2073-4360/12/4/766/xml |
| article xml file uploaded | 1 April 2020 15:35 CEST | Update | - |
| article xml file uploaded | 1 April 2020 10:54 CEST | Original file | - |
