| article html file updated | 6 February 2020 22:02 CET | Update | https://www.mdpi.com/1999-4915/7/8/2846 |
| article html file updated | 6 May 2019 12:54 CEST | Update | - |
| article html file updated | 26 March 2019 09:17 CET | Original file | - |
| article xml file uploaded | 21 September 2015 09:57 CEST | Original file | https://www.mdpi.com/1999-4915/7/8/2846/xml |
| article pdf uploaded. | 24 August 2015 15:20 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/8/2846/pdf |
