| article html file updated | 6 February 2020 04:06 CET | Update | https://www.mdpi.com/1422-0067/14/9/17845 |
| article html file updated | 8 May 2019 01:02 CEST | Update | - |
| article html file updated | 21 March 2019 03:54 CET | Update | - |
| article html file updated | 17 June 2015 12:48 CEST | Update | - |
| article html file updated | 31 October 2013 10:05 CET | Update | - |
| article xml file uploaded | 31 October 2013 10:04 CET | Update | https://www.mdpi.com/1422-0067/14/9/17845/xml |
| article html file updated | 14 October 2013 12:33 CEST | Original file | - |
| article xml file uploaded | 14 October 2013 12:32 CEST | Original file | - |
| article pdf uploaded. | 30 August 2013 14:35 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/9/17845/pdf |
