| article html file updated | 6 February 2020 21:01 CET | Update | https://www.mdpi.com/2071-1050/7/8/10078 |
| article html file updated | 6 May 2019 15:02 CEST | Update | - |
| article html file updated | 26 March 2019 07:19 CET | Update | - |
| article html file updated | 3 September 2015 03:56 CEST | Original file | - |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | https://www.mdpi.com/2071-1050/7/8/10078/xml |
| article pdf uploaded. | 28 July 2015 09:47 CEST | Updated version of record | https://www.mdpi.com/2071-1050/7/8/10078/pdf |
| article pdf uploaded. | 24 July 2015 12:14 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/8/10078/pdf-vor |
