| article html file updated | 7 February 2020 10:45 CET | Update | https://www.mdpi.com/2071-1050/8/7/597 |
| article html file updated | 5 May 2019 11:52 CEST | Update | - |
| article html file updated | 27 March 2019 08:31 CET | Update | - |
| article html file updated | 29 July 2016 12:48 CEST | Update | - |
| article html file updated | 24 June 2016 14:46 CEST | Original file | - |
| article xml uploaded. | 24 June 2016 14:44 CEST | Original file | https://www.mdpi.com/2071-1050/8/7/597/xml |
| article pdf uploaded. | 24 June 2016 14:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/7/597/pdf |
