| article html file updated | 6 February 2020 01:38 CET | Update | https://www.mdpi.com/1420-3049/18/4/4718 |
| article html file updated | 8 May 2019 06:02 CEST | Update | - |
| article html file updated | 20 March 2019 21:20 CET | Update | - |
| article html file updated | 17 September 2018 10:49 CEST | Original file | - |
| article pdf uploaded. | 22 April 2013 18:05 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/4/4718/pdf |
| article pdf uploaded. | 22 April 2013 09:30 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/4718/pdf-vor |
