| article html file updated | 7 February 2020 11:00 CET | Update | https://www.mdpi.com/2071-1050/8/7/614 |
| article html file updated | 5 May 2019 11:25 CEST | Update | - |
| article html file updated | 27 March 2019 08:58 CET | Update | - |
| article html file updated | 29 July 2016 12:50 CEST | Update | - |
| article html file updated | 29 June 2016 14:06 CEST | Original file | - |
| article xml uploaded. | 29 June 2016 14:04 CEST | Update | https://www.mdpi.com/2071-1050/8/7/614/xml |
| article pdf uploaded. | 29 June 2016 14:04 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/7/614/pdf |
