| article html file updated | 6 February 2020 10:31 CET | Update | https://www.mdpi.com/1999-4915/6/7/2602 |
| article html file updated | 7 May 2019 12:00 CEST | Update | - |
| article html file updated | 21 March 2019 20:21 CET | Update | - |
| article html file updated | 20 August 2015 12:05 CEST | Update | - |
| article html file updated | 29 July 2014 11:04 CEST | Original file | - |
| article xml file uploaded | 29 July 2014 11:04 CEST | Original file | https://www.mdpi.com/1999-4915/6/7/2602/xml |
| article supplementary file uploaded. | 28 July 2014 14:40 CEST | - | https://www.mdpi.com/1999-4915/6/7/2602#supplementary |
| article pdf uploaded. | 7 July 2014 15:25 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/7/2602/pdf |