| article html file updated | 5 March 2021 10:03 CET | Update | https://www.mdpi.com/2227-7390/9/5/502 |
| article html file updated | 5 March 2021 05:35 CET | Original file | - |
| article pdf uploaded. | 5 March 2021 05:33 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/5/502/pdf |
| article xml uploaded. | 5 March 2021 05:33 CET | Update | https://www.mdpi.com/2227-7390/9/5/502/xml |
| article xml file uploaded | 5 March 2021 05:33 CET | Original file | - |
| article pdf uploaded. | 1 March 2021 10:33 CET | Version of Record | https://www.mdpi.com/2227-7390/9/5/502/pdf-vor |
