| article html file updated | 7 February 2020 10:19 CET | Update | https://www.mdpi.com/2071-1050/8/6/562 |
| article html file updated | 5 May 2019 12:40 CEST | Update | - |
| article html file updated | 27 March 2019 07:46 CET | Update | - |
| article html file updated | 29 June 2016 05:36 CEST | Update | - |
| article html file updated | 17 June 2016 10:23 CEST | Original file | - |
| article xml uploaded. | 17 June 2016 10:21 CEST | Original file | https://www.mdpi.com/2071-1050/8/6/562/xml |
| article pdf uploaded. | 17 June 2016 10:21 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/562/pdf |
