| article html file updated | 7 February 2020 13:52 CET | Update | https://www.mdpi.com/2071-1050/8/9/830 |
| article html file updated | 5 May 2019 06:07 CEST | Update | - |
| article html file updated | 27 March 2019 14:45 CET | Update | - |
| article html file updated | 27 September 2016 05:04 CEST | Update | - |
| article html file updated | 25 August 2016 10:02 CEST | Original file | - |
| article xml uploaded. | 25 August 2016 10:01 CEST | Update | https://www.mdpi.com/2071-1050/8/9/830/xml |
| article xml uploaded. | 25 August 2016 10:01 CEST | Original file | - |
| article pdf uploaded. | 25 August 2016 10:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/830/pdf |
