| article html file updated | 8 May 2021 10:03 CEST | Update | https://www.mdpi.com/2077-1312/9/5/492 |
| article html file updated | 8 May 2021 05:51 CEST | Original file | - |
| article pdf uploaded. | 8 May 2021 05:49 CEST | Updated version of record | https://www.mdpi.com/2077-1312/9/5/492/pdf |
| article xml uploaded. | 8 May 2021 05:49 CEST | Update | https://www.mdpi.com/2077-1312/9/5/492/xml |
| article xml file uploaded | 8 May 2021 05:49 CEST | Original file | - |
| article pdf uploaded. | 1 May 2021 12:48 CEST | Version of Record | https://www.mdpi.com/2077-1312/9/5/492/pdf-vor |
