| article html file updated | 7 February 2020 05:30 CET | Update | https://www.mdpi.com/1424-8220/16/3/336 |
| article html file updated | 5 May 2019 22:18 CEST | Update | - |
| article html file updated | 26 March 2019 22:42 CET | Update | - |
| article html file updated | 30 March 2016 07:49 CEST | Original file | - |
| article pdf uploaded. | 5 March 2016 12:08 CET | Version of Record | https://www.mdpi.com/1424-8220/16/3/336/pdf |
