| article html file updated | 6 February 2020 03:00 CET | Update | https://www.mdpi.com/1422-0067/14/7/14008 |
| article html file updated | 8 May 2019 03:17 CEST | Update | - |
| article html file updated | 21 March 2019 00:43 CET | Update | - |
| article html file updated | 17 June 2015 10:56 CEST | Update | - |
| article html file updated | 14 August 2013 10:09 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 10:08 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/14008/xml |
| article pdf uploaded. | 4 July 2013 13:38 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/14008/pdf |
