| article html file updated | 7 February 2020 01:32 CET | Update | https://www.mdpi.com/2071-1050/7/12/15795 |
| article html file updated | 21 September 2019 06:54 CEST | Update | - |
| article html file updated | 6 May 2019 06:24 CEST | Update | - |
| article html file updated | 26 March 2019 15:20 CET | Original file | - |
| article pdf uploaded. | 30 November 2015 11:39 CET | Version of Record | https://www.mdpi.com/2071-1050/7/12/15795/pdf |
| article xml uploaded. | 30 November 2015 11:39 CET | Original file | https://www.mdpi.com/2071-1050/7/12/15795/xml |
