| article html file updated | 7 February 2020 01:42 CET | Update | https://www.mdpi.com/2071-1050/7/12/15803 |
| article html file updated | 21 September 2019 07:08 CEST | Update | - |
| article html file updated | 6 May 2019 06:02 CEST | Update | - |
| article html file updated | 26 March 2019 15:38 CET | Original file | - |
| article pdf uploaded. | 3 December 2015 13:05 CET | Version of Record | https://www.mdpi.com/2071-1050/7/12/15803/pdf |
| article xml uploaded. | 3 December 2015 13:05 CET | Original file | https://www.mdpi.com/2071-1050/7/12/15803/xml |
