| article html file updated | 29 August 2025 21:22 CEST | Update | https://www.mdpi.com/2073-4433/5/4/973 |
| article html file updated | 15 July 2022 23:37 CEST | Update | - |
| article html file updated | 6 February 2020 14:11 CET | Update | - |
| article html file updated | 7 May 2019 04:29 CEST | Update | - |
| article html file updated | 25 March 2019 18:48 CET | Update | - |
| article html file updated | 21 August 2015 03:25 CEST | Original file | - |
| article pdf uploaded. | 4 December 2014 15:54 CET | Version of Record | https://www.mdpi.com/2073-4433/5/4/973/pdf |
