| article html file updated | 31 August 2025 02:18 CEST | Update | https://www.mdpi.com/2311-7524/5/4/68 |
| article html file updated | 21 August 2025 22:44 CEST | Update | - |
| article html file updated | 20 July 2022 02:21 CEST | Update | - |
| article html file updated | 13 February 2020 21:51 CET | Update | - |
| article html file updated | 31 December 2019 17:55 CET | Update | - |
| article html file updated | 18 October 2019 11:54 CEST | Original file | - |
| article pdf uploaded. | 18 October 2019 11:53 CEST | Updated version of record | https://www.mdpi.com/2311-7524/5/4/68/pdf |
| article xml uploaded. | 18 October 2019 11:53 CEST | Update | https://www.mdpi.com/2311-7524/5/4/68/xml |
| article xml file uploaded | 18 October 2019 11:53 CEST | Update | - |
| article pdf uploaded. | 1 October 2019 13:32 CEST | Version of Record | https://www.mdpi.com/2311-7524/5/4/68/pdf-vor |
| article xml file uploaded | 1 October 2019 13:32 CEST | Original file | - |
