| article html file updated | 6 February 2020 23:18 CET | Update | https://www.mdpi.com/2071-1050/7/10/13270 |
| article html file updated | 6 May 2019 10:18 CEST | Update | - |
| article html file updated | 26 March 2019 11:42 CET | Update | - |
| article html file updated | 6 November 2015 09:34 CET | Original file | - |
| article xml file uploaded | 6 November 2015 09:34 CET | Original file | https://www.mdpi.com/2071-1050/7/10/13270/xml |
| article pdf uploaded. | 28 September 2015 14:23 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/10/13270/pdf |
