| article html file updated | 7 February 2020 01:01 CET | Update | https://www.mdpi.com/1424-8220/15/11/28960 |
| article html file updated | 6 May 2019 07:03 CEST | Update | - |
| article html file updated | 26 March 2019 14:45 CET | Original file | - |
| article pdf uploaded. | 23 November 2015 09:25 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/11/28960/pdf |
| article pdf uploaded. | 17 November 2015 08:40 CET | Version of Record | https://www.mdpi.com/1424-8220/15/11/28960/pdf-vor |
| article xml uploaded. | 17 November 2015 08:40 CET | Original file | https://www.mdpi.com/1424-8220/15/11/28960/xml |
