| article html file updated | 20 June 2021 12:07 CEST | Original file | https://www.mdpi.com/2073-4360/13/12/2013 |
| article pdf uploaded. | 20 June 2021 12:06 CEST | Version of Record | https://www.mdpi.com/2073-4360/13/12/2013/pdf |
| article xml uploaded. | 20 June 2021 12:06 CEST | Update | https://www.mdpi.com/2073-4360/13/12/2013/xml |
| article xml file uploaded | 20 June 2021 12:06 CEST | Original file | N/A |
