| article html file updated | 4 August 2021 20:31 CEST | Update | https://www.mdpi.com/2076-0787/10/2/68 |
| article html file updated | 10 April 2021 12:25 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2021 12:24 CEST | Updated version of record | https://www.mdpi.com/2076-0787/10/2/68/pdf |
| article xml uploaded. | 10 April 2021 12:24 CEST | Update | https://www.mdpi.com/2076-0787/10/2/68/xml |
| article xml file uploaded | 10 April 2021 12:24 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2021 14:00 CEST | Version of Record | https://www.mdpi.com/2076-0787/10/2/68/pdf-vor |
