| article html file updated | 6 February 2020 21:54 CET | Update | https://www.mdpi.com/2071-1050/7/8/11306 |
| article html file updated | 21 September 2019 02:07 CEST | Update | - |
| article html file updated | 6 May 2019 13:13 CEST | Update | - |
| article html file updated | 26 March 2019 09:01 CET | Update | - |
| article html file updated | 3 September 2015 03:57 CEST | Original file | - |
| article xml file uploaded | 3 September 2015 03:57 CEST | Original file | https://www.mdpi.com/2071-1050/7/8/11306/xml |
| article pdf uploaded. | 19 August 2015 14:57 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/8/11306/pdf |
