| article html file updated | 7 February 2020 00:56 CET | Update | https://www.mdpi.com/1424-8220/15/11/28842 |
| article html file updated | 6 May 2019 07:07 CEST | Update | - |
| article html file updated | 26 March 2019 14:40 CET | Original file | - |
| article pdf uploaded. | 23 November 2015 06:39 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/11/28842/pdf |
| article pdf uploaded. | 13 November 2015 11:40 CET | Version of Record | https://www.mdpi.com/1424-8220/15/11/28842/pdf-vor |
| article xml uploaded. | 13 November 2015 11:40 CET | Original file | https://www.mdpi.com/1424-8220/15/11/28842/xml |
