| article html file updated | 8 May 2020 19:05 CEST | Update | https://www.mdpi.com/2073-4352/10/4/251 |
| article html file updated | 27 March 2020 12:06 CET | Update | - |
| article html file updated | 27 March 2020 12:06 CET | Original file | - |
| article pdf uploaded. | 27 March 2020 12:05 CET | Updated version of record | https://www.mdpi.com/2073-4352/10/4/251/pdf |
| article xml uploaded. | 27 March 2020 12:05 CET | Update | https://www.mdpi.com/2073-4352/10/4/251/xml |
| article xml file uploaded | 27 March 2020 12:05 CET | Update | - |
| article xml file uploaded | 27 March 2020 12:05 CET | Original file | - |
