| article html file updated | 30 August 2025 13:42 CEST | Update | https://www.mdpi.com/2227-9032/7/2/57 |
| article html file updated | 19 July 2022 17:14 CEST | Update | - |
| article html file updated | 12 February 2020 03:15 CET | Update | - |
| article html file updated | 17 October 2019 19:38 CEST | Update | - |
| article html file updated | 5 July 2019 14:32 CEST | Update | - |
| article html file updated | 5 July 2019 08:17 CEST | Update | - |
| article html file updated | 25 April 2019 16:24 CEST | Update | - |
| article html file updated | 11 April 2019 12:25 CEST | Update | - |
| article html file updated | 10 April 2019 07:11 CEST | Update | - |
| article html file updated | 5 April 2019 08:59 CEST | Original file | - |
| article pdf uploaded. | 5 April 2019 08:58 CEST | Version of Record | https://www.mdpi.com/2227-9032/7/2/57/pdf |
| article xml uploaded. | 5 April 2019 08:58 CEST | Update | https://www.mdpi.com/2227-9032/7/2/57/xml |
| article xml file uploaded | 5 April 2019 08:58 CEST | Original file | - |
