| article html file updated | 8 February 2020 10:16 CET | Update | https://www.mdpi.com/2072-6643/9/7/697 |
| article html file updated | 25 September 2019 18:59 CEST | Update | - |
| article html file updated | 3 May 2019 13:44 CEST | Update | - |
| article html file updated | 2 August 2017 04:06 CEST | Update | - |
| article html file updated | 6 July 2017 12:21 CEST | Original file | - |
| article xml uploaded. | 6 July 2017 12:20 CEST | Original file | https://www.mdpi.com/2072-6643/9/7/697/xml |
| article pdf uploaded. | 6 July 2017 12:20 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/697/pdf |
