| article html file updated | 6 February 2020 02:53 CET | Update | https://www.mdpi.com/1660-4601/10/7/2688 |
| article html file updated | 8 May 2019 03:29 CEST | Update | N/A |
| article html file updated | 21 March 2019 00:29 CET | Update | N/A |
| article html file updated | 17 June 2015 10:43 CEST | Update | N/A |
| article html file updated | 6 August 2013 15:45 CEST | Original file | N/A |
| article xml file uploaded | 6 August 2013 15:45 CEST | Original file | https://www.mdpi.com/1660-4601/10/7/2688/xml |
| article pdf uploaded. | 23 July 2013 08:38 CEST | Updated version of record | https://www.mdpi.com/1660-4601/10/7/2688/pdf |
| article pdf uploaded. | 3 July 2013 15:04 CEST | Updated version of record | https://www.mdpi.com/1660-4601/10/7/2688/pdf-vor |
| article pdf uploaded. | 28 June 2013 13:39 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/7/2688/pdf-vor |
