| article html file updated | 5 August 2021 04:31 CEST | Update | https://www.mdpi.com/2076-0787/10/2/69 |
| article html file updated | 5 August 2021 04:31 CEST | Update | N/A |
| article html file updated | 13 April 2021 08:29 CEST | Update | N/A |
| article pdf uploaded. | 13 April 2021 08:28 CEST | Updated version of record | https://www.mdpi.com/2076-0787/10/2/69/pdf |
| article xml uploaded. | 13 April 2021 08:28 CEST | Update | https://www.mdpi.com/2076-0787/10/2/69/xml |
| article xml file uploaded | 13 April 2021 08:28 CEST | Update | N/A |
| article html file updated | 13 April 2021 08:19 CEST | Original file | N/A |
| article xml file uploaded | 13 April 2021 08:18 CEST | Original file | N/A |
