| article html file updated | 31 August 2025 06:54 CEST | Update | https://www.mdpi.com/2220-9964/9/1/4 |
| article html file updated | 19 July 2022 21:22 CEST | Update | - |
| article html file updated | 14 February 2020 19:52 CET | Update | - |
| article html file updated | 7 February 2020 03:27 CET | Update | - |
| article html file updated | 20 December 2019 10:41 CET | Original file | - |
| article pdf uploaded. | 20 December 2019 10:39 CET | Updated version of record | https://www.mdpi.com/2220-9964/9/1/4/pdf |
| article xml uploaded. | 20 December 2019 10:39 CET | Update | https://www.mdpi.com/2220-9964/9/1/4/xml |
| article xml file uploaded | 20 December 2019 10:39 CET | Update | - |
| article pdf uploaded. | 18 December 2019 16:15 CET | Version of Record | https://www.mdpi.com/2220-9964/9/1/4/pdf-vor |
| article xml file uploaded | 18 December 2019 16:15 CET | Original file | - |