| article html file updated | 30 August 2025 21:00 CEST | Update | https://www.mdpi.com/2227-7099/7/2/54 |
| article html file updated | 20 July 2022 15:46 CEST | Update | - |
| article html file updated | 12 February 2020 18:58 CET | Update | - |
| article html file updated | 21 October 2019 17:10 CEST | Update | - |
| article html file updated | 5 July 2019 13:14 CEST | Update | - |
| article html file updated | 5 July 2019 10:42 CEST | Update | - |
| article html file updated | 11 June 2019 13:15 CEST | Original file | - |
| article pdf uploaded. | 11 June 2019 13:14 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/2/54/pdf |
| article xml uploaded. | 11 June 2019 13:14 CEST | Update | https://www.mdpi.com/2227-7099/7/2/54/xml |
| article xml file uploaded | 11 June 2019 13:14 CEST | Original file | - |
