| article html file updated | 6 February 2020 23:37 CET | Update | https://www.mdpi.com/1999-4907/6/10/3547 |
| article html file updated | 6 May 2019 09:40 CEST | Update | - |
| article html file updated | 26 March 2019 12:16 CET | Update | - |
| article html file updated | 4 November 2015 06:03 CET | Original file | - |
| article xml file uploaded | 4 November 2015 06:03 CET | Original file | https://www.mdpi.com/1999-4907/6/10/3547/xml |
| article pdf uploaded. | 12 October 2015 09:07 CEST | Updated version of record | https://www.mdpi.com/1999-4907/6/10/3547/pdf |
| article pdf uploaded. | 10 October 2015 11:29 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/10/3547/pdf-vor |
