| article html file updated | 6 February 2020 00:21 CET | Update | https://www.mdpi.com/1420-3049/18/2/1916 |
| article html file updated | 19 September 2019 17:35 CEST | Update | - |
| article html file updated | 8 May 2019 08:58 CEST | Update | - |
| article html file updated | 20 March 2019 18:06 CET | Update | - |
| article html file updated | 12 November 2018 03:15 CET | Original file | - |
| article pdf uploaded. | 4 February 2013 15:15 CET | Updated version of record | https://www.mdpi.com/1420-3049/18/2/1916/pdf |
| article pdf uploaded. | 1 February 2013 09:02 CET | Version of Record | https://www.mdpi.com/1420-3049/18/2/1916/pdf-vor |
