| article html file updated | 6 February 2020 18:57 CET | Update | https://www.mdpi.com/2071-1050/7/6/6336 |
| article html file updated | 20 September 2019 21:48 CEST | Update | - |
| article html file updated | 6 May 2019 19:22 CEST | Update | - |
| article html file updated | 26 March 2019 03:19 CET | Update | - |
| article html file updated | 21 August 2015 12:34 CEST | Original file | - |
| article supplementary file uploaded. | 25 May 2015 10:23 CEST | - | https://www.mdpi.com/2071-1050/7/6/6336#supplementary |
| article pdf uploaded. | 25 May 2015 10:23 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/6/6336/pdf |
