| article html file updated | 26 September 2022 14:33 CEST | Original file | https://www.mdpi.com/2504-3900/53/1/20 |
| article pdf uploaded. | 1 September 2020 11:39 CEST | Updated version of record | https://www.mdpi.com/2504-3900/53/1/20/pdf |
| article pdf uploaded. | 1 September 2020 11:39 CEST | Version of Record | N/A |
