| article html file updated | 29 August 2025 22:17 CEST | Update | https://www.mdpi.com/2079-6374/5/4/678 |
| article html file updated | 16 July 2022 01:09 CEST | Update | - |
| article html file updated | 7 February 2020 00:23 CET | Update | - |
| article html file updated | 6 May 2019 08:06 CEST | Update | - |
| article html file updated | 26 March 2019 13:42 CET | Original file | - |
| article pdf uploaded. | 2 November 2015 02:26 CET | Updated version of record | https://www.mdpi.com/2079-6374/5/4/678/pdf |
| article pdf uploaded. | 30 October 2015 10:28 CET | Version of Record | https://www.mdpi.com/2079-6374/5/4/678/pdf-vor |
