| article html file updated | 29 August 2025 20:39 CEST | Update | https://www.mdpi.com/2072-666X/4/2/215 |
| article html file updated | 15 July 2022 22:20 CEST | Update | - |
| article html file updated | 6 February 2020 02:27 CET | Update | - |
| article html file updated | 8 May 2019 04:26 CEST | Update | - |
| article html file updated | 20 March 2019 23:22 CET | Update | - |
| article html file updated | 17 June 2015 09:56 CEST | Original file | - |
| article pdf uploaded. | 5 June 2013 15:49 CEST | Updated version of record | https://www.mdpi.com/2072-666X/4/2/215/pdf |
| article pdf uploaded. | 3 June 2013 12:27 CEST | Version of Record | https://www.mdpi.com/2072-666X/4/2/215/pdf-vor |
