| article html file updated | 31 August 2025 16:56 CEST | Update | https://www.mdpi.com/1660-3397/18/4/201 |
| article html file updated | 21 July 2022 01:26 CEST | Update | - |
| article html file updated | 9 April 2020 15:00 CEST | Update | - |
| article html file updated | 9 April 2020 14:59 CEST | Original file | - |
| article pdf uploaded. | 9 April 2020 14:58 CEST | Updated version of record | https://www.mdpi.com/1660-3397/18/4/201/pdf |
| article xml uploaded. | 9 April 2020 14:58 CEST | Update | https://www.mdpi.com/1660-3397/18/4/201/xml |
| article xml file uploaded | 9 April 2020 14:58 CEST | Update | - |
| article xml file uploaded | 9 April 2020 14:58 CEST | Original file | - |
