| article html file updated | 6 February 2020 13:27 CET | Update | https://www.mdpi.com/1999-4915/6/11/4242 |
| article html file updated | 7 May 2019 05:52 CEST | Update | - |
| article html file updated | 25 March 2019 17:17 CET | Update | - |
| article html file updated | 21 August 2015 01:28 CEST | Update | - |
| article html file updated | 28 November 2014 11:04 CET | Original file | - |
| article xml file uploaded | 28 November 2014 11:04 CET | Original file | https://www.mdpi.com/1999-4915/6/11/4242/xml |
| article pdf uploaded. | 7 November 2014 11:54 CET | Version of Record | https://www.mdpi.com/1999-4915/6/11/4242/pdf |
