| article html file updated | 7 February 2020 00:39 CET | Update | https://www.mdpi.com/1424-8220/15/11/28099 |
| article html file updated | 6 May 2019 07:36 CEST | Update | - |
| article html file updated | 26 March 2019 14:12 CET | Original file | - |
| article pdf uploaded. | 17 November 2015 11:44 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/11/28099/pdf |
| article pdf uploaded. | 6 November 2015 09:29 CET | Version of Record | https://www.mdpi.com/1424-8220/15/11/28099/pdf-vor |
