| article html file updated | 6 February 2020 01:31 CET | Update | https://www.mdpi.com/1420-3049/18/4/4389 |
| article html file updated | 19 September 2019 19:38 CEST | Update | - |
| article html file updated | 8 May 2019 06:17 CEST | Update | - |
| article html file updated | 20 March 2019 21:00 CET | Update | - |
| article html file updated | 17 September 2018 10:37 CEST | Original file | - |
| article pdf uploaded. | 16 April 2013 16:21 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/4/4389/pdf |
| article pdf uploaded. | 15 April 2013 09:30 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/4389/pdf-vor |
