| article html file updated | 7 February 2020 01:47 CET | Update | https://www.mdpi.com/1424-8220/15/12/29802 |
| article html file updated | 6 May 2019 05:52 CEST | Update | - |
| article html file updated | 26 March 2019 15:48 CET | Original file | - |
| article pdf uploaded. | 7 December 2015 10:55 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/12/29802/pdf |
| article pdf uploaded. | 4 December 2015 10:49 CET | Version of Record | https://www.mdpi.com/1424-8220/15/12/29802/pdf-vor |
| article xml uploaded. | 4 December 2015 10:49 CET | Original file | https://www.mdpi.com/1424-8220/15/12/29802/xml |
