| article html file updated | 6 February 2020 23:10 CET | Update | https://www.mdpi.com/2071-1050/7/10/12974 |
| article html file updated | 6 May 2019 10:34 CEST | Update | - |
| article html file updated | 26 March 2019 11:26 CET | Update | - |
| article html file updated | 6 November 2015 09:33 CET | Original file | - |
| article xml file uploaded | 6 November 2015 09:33 CET | Original file | https://www.mdpi.com/2071-1050/7/10/12974/xml |
| article pdf uploaded. | 24 September 2015 11:25 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/10/12974/pdf |
