| article html file updated | 7 February 2020 11:34 CET | Update | https://www.mdpi.com/1420-3049/21/7/906 |
| article html file updated | 21 September 2019 20:50 CEST | Update | - |
| article html file updated | 5 May 2019 10:23 CEST | Update | - |
| article html file updated | 27 March 2019 10:02 CET | Update | - |
| article html file updated | 17 September 2018 04:57 CEST | Update | - |
| article html file updated | 28 July 2016 10:23 CEST | Update | - |
| article html file updated | 12 July 2016 12:02 CEST | Original file | - |
| article xml uploaded. | 12 July 2016 12:00 CEST | Update | https://www.mdpi.com/1420-3049/21/7/906/xml |
| article pdf uploaded. | 12 July 2016 12:00 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/906/pdf |