| article html file updated | 7 February 2020 11:45 CET | Update | https://www.mdpi.com/2072-6643/8/7/431 |
| article html file updated | 5 May 2019 10:03 CEST | Update | - |
| article html file updated | 27 March 2019 10:23 CET | Update | - |
| article html file updated | 28 July 2016 09:44 CEST | Update | - |
| article html file updated | 15 July 2016 11:09 CEST | Original file | - |
| article xml uploaded. | 15 July 2016 11:07 CEST | Original file | https://www.mdpi.com/2072-6643/8/7/431/xml |
| article pdf uploaded. | 15 July 2016 11:07 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/7/431/pdf |
