| article html file updated | 6 February 2020 02:45 CET | Update | https://www.mdpi.com/1422-0067/14/6/12873 |
| article html file updated | 8 May 2019 03:48 CEST | Update | - |
| article html file updated | 21 March 2019 00:06 CET | Update | - |
| article html file updated | 17 June 2015 10:26 CEST | Update | - |
| article html file updated | 19 July 2013 11:02 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 11:01 CEST | Original file | https://www.mdpi.com/1422-0067/14/6/12873/xml |
| article pdf uploaded. | 20 June 2013 14:43 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/12873/pdf |
