| article html file updated | 25 January 2024 10:41 CET | Original file | https://www.mdpi.com/2504-3900/23/1/4 |
| article pdf uploaded. | 13 December 2019 08:25 CET | Updated version of record | https://www.mdpi.com/2504-3900/23/1/4/pdf |
| article pdf uploaded. | 21 August 2019 09:02 CEST | Version of Record | https://www.mdpi.com/2504-3900/23/1/4/pdf-vor |
| article xml file uploaded | 21 August 2019 09:02 CEST | Original file | https://www.mdpi.com/2504-3900/23/1/4/xml |
