| article html file updated | 31 August 2025 23:41 CEST | Update | https://www.mdpi.com/2227-9032/8/2/172 |
| article html file updated | 21 July 2022 20:55 CEST | Update | - |
| article html file updated | 15 June 2020 13:53 CEST | Update | - |
| article html file updated | 15 June 2020 13:53 CEST | Update | - |
| article html file updated | 15 June 2020 13:53 CEST | Original file | - |
| article pdf uploaded. | 15 June 2020 13:52 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/2/172/pdf |
| article pdf uploaded. | 15 June 2020 13:52 CEST | Updated version of record | - |
| article xml uploaded. | 15 June 2020 13:52 CEST | Update | https://www.mdpi.com/2227-9032/8/2/172/xml |
| article xml file uploaded | 15 June 2020 13:52 CEST | Original file | - |
