| article html file updated | 6 February 2020 03:21 CET | Update | https://www.mdpi.com/1422-0067/14/7/15121 |
| article html file updated | 8 May 2019 02:37 CEST | Update | - |
| article html file updated | 21 March 2019 01:41 CET | Update | - |
| article html file updated | 17 June 2015 11:34 CEST | Update | - |
| article html file updated | 14 August 2013 10:34 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 10:33 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/15121/xml |
| article pdf uploaded. | 22 July 2013 11:54 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/15121/pdf |
