| article html file updated | 6 February 2020 03:18 CET | Update | https://www.mdpi.com/1420-3049/18/7/8500 |
| article html file updated | 19 September 2019 23:00 CEST | Update | - |
| article html file updated | 8 May 2019 02:43 CEST | Update | - |
| article html file updated | 21 March 2019 01:33 CET | Update | - |
| article html file updated | 14 September 2018 05:42 CEST | Original file | - |
| article pdf uploaded. | 22 July 2013 09:12 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/7/8500/pdf |
| article pdf uploaded. | 18 July 2013 15:08 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/7/8500/pdf-vor |
