| article html file updated | 6 February 2020 02:17 CET | Update | https://www.mdpi.com/1422-0067/14/6/11011 |
| article html file updated | 8 May 2019 04:48 CEST | Update | - |
| article html file updated | 20 March 2019 22:55 CET | Update | - |
| article html file updated | 17 June 2015 09:37 CEST | Update | - |
| article html file updated | 19 July 2013 10:15 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 10:15 CEST | Original file | https://www.mdpi.com/1422-0067/14/6/11011/xml |
| article pdf uploaded. | 24 May 2013 10:51 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/11011/pdf |
