| article html file updated | 6 February 2020 02:53 CET | Update | https://www.mdpi.com/1422-0067/14/7/13559 |
| article html file updated | 8 May 2019 03:30 CEST | Update | - |
| article html file updated | 21 March 2019 00:27 CET | Update | - |
| article html file updated | 17 June 2015 10:41 CEST | Update | - |
| article html file updated | 14 August 2013 09:59 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 09:58 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/13559/xml |
| article pdf uploaded. | 27 June 2013 16:17 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/13559/pdf |
