| article html file updated | 6 February 2020 02:34 CET | Update | https://www.mdpi.com/1422-0067/14/6/12249 |
| article html file updated | 8 May 2019 04:12 CEST | Update | - |
| article html file updated | 20 March 2019 23:38 CET | Update | - |
| article html file updated | 17 June 2015 10:07 CEST | Update | - |
| article html file updated | 30 July 2013 13:50 CEST | Update | - |
| article xml file uploaded | 30 July 2013 13:50 CEST | Update | https://www.mdpi.com/1422-0067/14/6/12249/xml |
| article html file updated | 19 July 2013 10:43 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 10:42 CEST | Original file | - |
| article pdf uploaded. | 7 June 2013 13:58 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/12249/pdf |
