| article html file updated | 7 February 2020 13:59 CET | Update | https://www.mdpi.com/2071-1050/8/9/858 |
| article html file updated | 5 May 2019 05:55 CEST | Update | - |
| article html file updated | 27 March 2019 15:00 CET | Update | - |
| article html file updated | 27 September 2016 05:09 CEST | Update | - |
| article html file updated | 27 August 2016 03:52 CEST | Original file | - |
| article xml uploaded. | 27 August 2016 03:50 CEST | Update | https://www.mdpi.com/2071-1050/8/9/858/xml |
| article xml uploaded. | 27 August 2016 03:50 CEST | Original file | - |
| article pdf uploaded. | 27 August 2016 03:50 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/858/pdf |
