| article html file updated | 6 February 2020 08:15 CET | Update | https://www.mdpi.com/1420-3049/19/4/3869 |
| article html file updated | 20 September 2019 06:56 CEST | Update | - |
| article html file updated | 7 May 2019 16:38 CEST | Update | - |
| article html file updated | 21 March 2019 14:41 CET | Update | - |
| article html file updated | 12 September 2018 05:59 CEST | Update | - |
| article html file updated | 20 August 2015 01:35 CEST | Original file | - |
| article pdf uploaded. | 28 March 2014 11:44 CET | Version of Record | https://www.mdpi.com/1420-3049/19/4/3869/pdf |
