| article html file updated | 7 February 2020 14:49 CET | Update | https://www.mdpi.com/2071-1050/8/9/929 |
| article html file updated | 5 May 2019 04:23 CEST | Update | - |
| article html file updated | 27 September 2016 05:24 CEST | Update | - |
| article html file updated | 15 September 2016 04:29 CEST | Original file | - |
| article xml uploaded. | 15 September 2016 04:28 CEST | Original file | https://www.mdpi.com/2071-1050/8/9/929/xml |
| article pdf uploaded. | 15 September 2016 04:28 CEST | Updated version of record | https://www.mdpi.com/2071-1050/8/9/929/pdf |
| article pdf uploaded. | 11 September 2016 10:45 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/929/pdf-vor |
