| article html file updated | 6 February 2020 23:45 CET | Update | https://www.mdpi.com/1999-4907/6/10/3686 |
| article html file updated | 6 May 2019 09:22 CEST | Update | - |
| article html file updated | 26 March 2019 12:31 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/1999-4907/6/10/3686/xml |
| article pdf uploaded. | 19 October 2015 17:14 CEST | Updated version of record | https://www.mdpi.com/1999-4907/6/10/3686/pdf |
| article pdf uploaded. | 15 October 2015 09:11 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/10/3686/pdf-vor |
