| article html file updated | 7 February 2020 11:09 CET | Update | https://www.mdpi.com/1420-3049/21/7/874 |
| article html file updated | 21 September 2019 20:17 CEST | Update | - |
| article html file updated | 5 May 2019 11:09 CEST | Update | - |
| article html file updated | 27 March 2019 09:15 CET | Update | - |
| article html file updated | 17 September 2018 04:45 CEST | Update | - |
| article html file updated | 28 July 2016 10:18 CEST | Update | - |
| article html file updated | 1 July 2016 13:31 CEST | Original file | - |
| article xml uploaded. | 1 July 2016 13:29 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/874/xml |
| article pdf uploaded. | 1 July 2016 13:29 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/874/pdf |
