| article html file updated | 6 February 2020 07:44 CET | Update | https://www.mdpi.com/1420-3049/19/3/2911 |
| article html file updated | 20 September 2019 06:22 CEST | Update | - |
| article html file updated | 7 May 2019 17:39 CEST | Update | - |
| article html file updated | 21 March 2019 13:30 CET | Update | - |
| article html file updated | 12 September 2018 05:30 CEST | Update | - |
| article html file updated | 19 August 2015 22:49 CEST | Original file | - |
| article pdf uploaded. | 6 March 2014 13:18 CET | Version of Record | https://www.mdpi.com/1420-3049/19/3/2911/pdf |
