| article html file updated | 26 September 2022 15:19 CEST | Original file | https://www.mdpi.com/2504-3900/54/1/60 |
| article pdf uploaded. | 9 September 2020 04:05 CEST | Updated version of record | https://www.mdpi.com/2504-3900/54/1/60/pdf |
| article pdf uploaded. | 9 September 2020 04:04 CEST | Version of Record | N/A |
