| article html file updated | 6 February 2020 03:59 CET | Update | https://www.mdpi.com/1660-3397/11/9/3155 |
| article html file updated | 8 May 2019 01:15 CEST | Update | - |
| article html file updated | 21 March 2019 03:35 CET | Update | - |
| article html file updated | 17 June 2015 12:40 CEST | Update | - |
| article html file updated | 25 October 2013 09:39 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:39 CEST | Original file | https://www.mdpi.com/1660-3397/11/9/3155/xml |
| article pdf uploaded. | 27 August 2013 08:10 CEST | Updated version of record | https://www.mdpi.com/1660-3397/11/9/3155/pdf |
| article pdf uploaded. | 26 August 2013 14:21 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/9/3155/pdf-vor |
