| article html file updated | 18 June 2021 05:05 CEST | Original file | https://www.mdpi.com/2073-4360/13/12/1987 |
| article pdf uploaded. | 18 June 2021 05:04 CEST | Updated version of record | https://www.mdpi.com/2073-4360/13/12/1987/pdf |
| article xml uploaded. | 18 June 2021 05:04 CEST | Update | https://www.mdpi.com/2073-4360/13/12/1987/xml |
| article xml file uploaded | 18 June 2021 05:04 CEST | Original file | - |
| article pdf uploaded. | 17 June 2021 13:52 CEST | Updated version of record | https://www.mdpi.com/2073-4360/13/12/1987/pdf-vor |
| article pdf uploaded. | 17 June 2021 13:41 CEST | Version of Record | https://www.mdpi.com/2073-4360/13/12/1987/pdf-vor |
