| article html file updated | 6 February 2020 04:18 CET | Update | https://www.mdpi.com/1420-3049/18/9/11144 |
| article html file updated | 8 May 2019 00:37 CEST | Update | - |
| article html file updated | 21 March 2019 04:23 CET | Update | - |
| article html file updated | 14 September 2018 08:59 CEST | Original file | - |
| article pdf uploaded. | 13 September 2013 14:30 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/9/11144/pdf |
| article pdf uploaded. | 11 September 2013 11:41 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/9/11144/pdf-vor |
