| article html file updated | 7 February 2020 11:26 CET | Update | https://www.mdpi.com/2071-1050/8/7/651 |
| article html file updated | 5 May 2019 10:38 CEST | Update | - |
| article html file updated | 27 March 2019 09:47 CET | Update | - |
| article html file updated | 29 July 2016 12:55 CEST | Update | - |
| article html file updated | 8 July 2016 13:53 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 13:51 CEST | Original file | https://www.mdpi.com/2071-1050/8/7/651/xml |
| article pdf uploaded. | 8 July 2016 13:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/7/651/pdf |
