| article html file updated | 7 February 2020 01:25 CET | Update | https://www.mdpi.com/2071-1050/7/12/15785 |
| article html file updated | 6 May 2019 06:37 CEST | Update | - |
| article html file updated | 26 March 2019 15:08 CET | Original file | - |
| article pdf uploaded. | 26 November 2015 14:55 CET | Version of Record | https://www.mdpi.com/2071-1050/7/12/15785/pdf |
| article xml uploaded. | 26 November 2015 14:55 CET | Original file | https://www.mdpi.com/2071-1050/7/12/15785/xml |
