| article html file updated | 6 February 2020 02:54 CET | Update | https://www.mdpi.com/1422-0067/14/7/13657 |
| article html file updated | 8 May 2019 03:28 CEST | Update | - |
| article html file updated | 21 March 2019 00:29 CET | Update | - |
| article html file updated | 17 June 2015 10:44 CEST | Update | - |
| article html file updated | 14 August 2013 10:01 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 10:00 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/13657/xml |
| article pdf uploaded. | 28 June 2013 14:13 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/13657/pdf |
