| article html file updated | 6 February 2020 09:25 CET | Update | https://www.mdpi.com/2071-1050/6/5/3122 |
| article html file updated | 20 September 2019 08:33 CEST | Update | - |
| article html file updated | 7 May 2019 14:13 CEST | Update | - |
| article html file updated | 21 March 2019 17:27 CET | Update | - |
| article html file updated | 29 June 2017 13:17 CEST | Update | - |
| article html file updated | 20 August 2015 07:55 CEST | Original file | - |
| article pdf uploaded. | 22 May 2014 11:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/6/5/3122/pdf |
