| article html file updated | 7 February 2020 11:50 CET | Update | https://www.mdpi.com/2071-1050/8/7/681 |
| article html file updated | 5 May 2019 09:54 CEST | Update | - |
| article html file updated | 27 March 2019 10:32 CET | Update | - |
| article html file updated | 29 July 2016 12:59 CEST | Update | - |
| article html file updated | 18 July 2016 08:15 CEST | Update | - |
| article xml uploaded. | 18 July 2016 08:14 CEST | Update | https://www.mdpi.com/2071-1050/8/7/681/xml |
| article pdf uploaded. | 18 July 2016 08:14 CEST | Updated version of record | https://www.mdpi.com/2071-1050/8/7/681/pdf |
| article html file updated | 16 July 2016 12:09 CEST | Original file | - |
| article pdf uploaded. | 16 July 2016 12:08 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/7/681/pdf-vor |
