| article html file updated | 8 February 2020 10:24 CET | Update | https://www.mdpi.com/2072-6643/9/7/720 |
| article html file updated | 25 September 2019 19:34 CEST | Update | - |
| article html file updated | 3 May 2019 13:31 CEST | Update | - |
| article html file updated | 2 August 2017 04:08 CEST | Update | - |
| article html file updated | 7 July 2017 11:54 CEST | Original file | - |
| article xml uploaded. | 7 July 2017 11:53 CEST | Original file | https://www.mdpi.com/2072-6643/9/7/720/xml |
| article pdf uploaded. | 7 July 2017 11:53 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/720/pdf |
