| article html file updated | 30 August 2025 01:25 CEST | Update | https://www.mdpi.com/2227-9032/5/4/73 |
| article html file updated | 16 July 2022 06:48 CEST | Update | - |
| article html file updated | 8 February 2020 18:28 CET | Update | - |
| article html file updated | 27 September 2019 18:34 CEST | Update | - |
| article html file updated | 2 May 2019 21:14 CEST | Update | - |
| article html file updated | 2 January 2018 12:39 CET | Update | - |
| article html file updated | 14 October 2017 12:08 CEST | Original file | - |
| article xml uploaded. | 14 October 2017 12:07 CEST | Original file | https://www.mdpi.com/2227-9032/5/4/73/xml |
| article pdf uploaded. | 14 October 2017 12:07 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/4/73/pdf |
