| article html file updated | 6 February 2020 03:28 CET | Update | https://www.mdpi.com/1420-3049/18/8/8906 |
| article html file updated | 19 September 2019 23:19 CEST | Update | - |
| article html file updated | 8 May 2019 02:24 CEST | Update | - |
| article html file updated | 21 March 2019 02:01 CET | Update | - |
| article html file updated | 14 September 2018 08:30 CEST | Update | - |
| article html file updated | 20 December 2016 04:25 CET | Original file | - |
| article pdf uploaded. | 29 July 2013 16:46 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/8906/pdf |
| article pdf uploaded. | 26 July 2013 11:22 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/8906/pdf-vor |
