| article html file updated | 6 February 2020 10:47 CET | Update | https://www.mdpi.com/1999-4915/6/7/2762 |
| article html file updated | 7 May 2019 11:29 CEST | Update | N/A |
| article html file updated | 21 March 2019 21:05 CET | Update | N/A |
| article html file updated | 20 August 2015 12:59 CEST | Update | N/A |
| article html file updated | 29 July 2014 11:05 CEST | Original file | N/A |
| article xml file uploaded | 29 July 2014 11:05 CEST | Original file | https://www.mdpi.com/1999-4915/6/7/2762/xml |
| article pdf uploaded. | 17 July 2014 14:26 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/7/2762/pdf |
