| article html file updated | 31 August 2025 08:18 CEST | Update | https://www.mdpi.com/2297-8739/7/1/4 |
| article html file updated | 19 July 2022 20:01 CEST | Update | - |
| article html file updated | 1 April 2020 21:18 CEST | Update | - |
| article html file updated | 15 February 2020 00:29 CET | Update | - |
| article html file updated | 6 January 2020 11:53 CET | Original file | - |
| article pdf uploaded. | 6 January 2020 11:52 CET | Version of Record | https://www.mdpi.com/2297-8739/7/1/4/pdf |
| article xml uploaded. | 6 January 2020 11:52 CET | Update | https://www.mdpi.com/2297-8739/7/1/4/xml |
| article xml file uploaded | 6 January 2020 11:52 CET | Original file | - |
