| article html file updated | 8 February 2020 07:59 CET | Update | https://www.mdpi.com/2072-6643/9/6/592 |
| article html file updated | 25 September 2019 06:50 CEST | Update | - |
| article html file updated | 3 May 2019 18:01 CEST | Update | - |
| article html file updated | 29 June 2017 11:45 CEST | Update | - |
| article html file updated | 10 June 2017 12:39 CEST | Original file | - |
| article xml uploaded. | 10 June 2017 12:38 CEST | Original file | https://www.mdpi.com/2072-6643/9/6/592/xml |
| article pdf uploaded. | 10 June 2017 12:38 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/592/pdf |
