| article html file updated | 7 February 2020 11:32 CET | Update | https://www.mdpi.com/2071-1050/8/7/635 |
| article html file updated | 5 May 2019 10:27 CEST | Update | - |
| article html file updated | 27 March 2019 09:58 CET | Update | - |
| article html file updated | 29 July 2016 12:53 CEST | Update | - |
| article html file updated | 12 July 2016 07:43 CEST | Original file | - |
| article xml uploaded. | 12 July 2016 07:41 CEST | Update | https://www.mdpi.com/2071-1050/8/7/635/xml |
| article pdf uploaded. | 12 July 2016 07:41 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/7/635/pdf |
