| article html file updated | 24 January 2024 16:35 CET | Original file | https://www.mdpi.com/2504-3900/12/1/25 |
| article pdf uploaded. | 23 July 2019 10:22 CEST | Updated version of record | https://www.mdpi.com/2504-3900/12/1/25/pdf |
| article pdf uploaded. | 19 July 2019 07:41 CEST | Version of Record | https://www.mdpi.com/2504-3900/12/1/25/pdf-vor |
