| article html file updated | 6 February 2020 04:07 CET | Update | https://www.mdpi.com/1420-3049/18/9/10609 |
| article html file updated | 8 May 2019 01:00 CEST | Update | - |
| article html file updated | 21 March 2019 03:56 CET | Update | - |
| article html file updated | 14 September 2018 08:43 CEST | Update | - |
| article html file updated | 8 April 2016 06:18 CEST | Original file | - |
| article pdf uploaded. | 2 September 2013 11:56 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/9/10609/pdf |
