| article html file updated | 6 February 2020 03:12 CET | Update | https://www.mdpi.com/1660-3397/11/7/2472 |
| article html file updated | 8 May 2019 02:53 CEST | Update | - |
| article html file updated | 21 March 2019 01:17 CET | Update | - |
| article html file updated | 17 June 2015 11:20 CEST | Update | - |
| article supplementary file uploaded. | 14 April 2014 11:57 CEST | - | https://www.mdpi.com/1660-3397/11/7/2472#supplementary |
| article html file updated | 7 August 2013 13:48 CEST | Original file | - |
| article xml file uploaded | 7 August 2013 13:48 CEST | Original file | https://www.mdpi.com/1660-3397/11/7/2472/xml |
| article pdf uploaded. | 16 July 2013 11:12 CEST | Updated version of record | https://www.mdpi.com/1660-3397/11/7/2472/pdf |
| article pdf uploaded. | 15 July 2013 14:54 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/7/2472/pdf-vor |
