| article html file updated | 31 August 2025 09:38 CEST | Update | https://www.mdpi.com/2220-9964/9/2/69 |
| article html file updated | 20 July 2022 18:10 CEST | Update | - |
| article html file updated | 6 March 2020 17:34 CET | Update | - |
| article html file updated | 15 February 2020 05:08 CET | Update | - |
| article html file updated | 12 February 2020 10:49 CET | Original file | - |
| article pdf uploaded. | 12 February 2020 10:46 CET | Updated version of record | https://www.mdpi.com/2220-9964/9/2/69/pdf |
| article xml uploaded. | 12 February 2020 10:46 CET | Update | https://www.mdpi.com/2220-9964/9/2/69/xml |
| article xml file uploaded | 12 February 2020 10:46 CET | Update | - |
| article pdf uploaded. | 21 January 2020 16:08 CET | Version of Record | https://www.mdpi.com/2220-9964/9/2/69/pdf-vor |
| article xml file uploaded | 21 January 2020 16:08 CET | Original file | - |
