| article html file updated | 7 February 2020 01:17 CET | Update | https://www.mdpi.com/1999-4907/6/11/4245 |
| article html file updated | 6 May 2019 06:47 CEST | Update | - |
| article html file updated | 26 March 2019 14:59 CET | Original file | - |
| article pdf uploaded. | 25 November 2015 04:32 CET | Updated version of record | https://www.mdpi.com/1999-4907/6/11/4245/pdf |
| article pdf uploaded. | 23 November 2015 14:03 CET | Version of Record | https://www.mdpi.com/1999-4907/6/11/4245/pdf-vor |
| article xml uploaded. | 23 November 2015 14:03 CET | Original file | https://www.mdpi.com/1999-4907/6/11/4245/xml |
