| article html file updated | 6 February 2020 06:48 CET | Update | https://www.mdpi.com/1420-3049/19/1/1201 |
| article html file updated | 20 September 2019 05:18 CEST | Update | - |
| article html file updated | 7 May 2019 19:38 CEST | Update | - |
| article html file updated | 21 March 2019 11:14 CET | Update | - |
| article html file updated | 12 September 2018 05:19 CEST | Update | - |
| article html file updated | 19 August 2015 18:02 CEST | Original file | - |
| article pdf uploaded. | 20 January 2014 12:02 CET | Version of Record | https://www.mdpi.com/1420-3049/19/1/1201/pdf |
