| article html file updated | 6 February 2020 22:54 CET | Update | https://www.mdpi.com/1999-4915/7/9/2860 |
| article html file updated | 6 May 2019 11:07 CEST | Update | - |
| article html file updated | 26 March 2019 10:57 CET | Original file | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/1999-4915/7/9/2860/xml |
| article pdf uploaded. | 17 September 2015 13:55 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/9/2860/pdf |
