| article html file updated | 6 February 2020 02:37 CET | Update | https://www.mdpi.com/1422-0067/14/6/12401 |
| article html file updated | 8 May 2019 04:05 CEST | Update | - |
| article html file updated | 20 March 2019 23:45 CET | Update | - |
| article html file updated | 17 June 2015 10:12 CEST | Update | - |
| article html file updated | 19 July 2013 10:46 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 10:46 CEST | Original file | https://www.mdpi.com/1422-0067/14/6/12401/xml |
| article pdf uploaded. | 13 June 2013 13:37 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/12401/pdf |
