| article html file updated | 30 August 2025 01:58 CEST | Update | https://www.mdpi.com/2227-7080/5/4/82 |
| article html file updated | 16 July 2022 07:58 CEST | Update | - |
| article html file updated | 9 February 2020 00:06 CET | Update | - |
| article html file updated | 29 September 2019 05:17 CEST | Update | - |
| article html file updated | 2 May 2019 08:32 CEST | Update | - |
| article html file updated | 18 April 2019 06:19 CEST | Update | - |
| article html file updated | 2 January 2018 11:15 CET | Update | - |
| article html file updated | 14 December 2017 14:46 CET | Original file | - |
| article xml uploaded. | 14 December 2017 14:44 CET | Update | https://www.mdpi.com/2227-7080/5/4/82/xml |
| article xml uploaded. | 14 December 2017 14:44 CET | Original file | - |
| article pdf uploaded. | 14 December 2017 14:44 CET | Version of Record | https://www.mdpi.com/2227-7080/5/4/82/pdf |