| article html file updated | 6 February 2020 08:30 CET | Update | https://www.mdpi.com/1422-0067/15/4/6096 |
| article html file updated | 7 May 2019 16:06 CEST | Update | - |
| article html file updated | 21 March 2019 15:17 CET | Update | - |
| article html file updated | 20 August 2015 02:46 CEST | Update | - |
| article html file updated | 12 May 2014 11:39 CEST | Update | - |
| article xml file uploaded | 12 May 2014 11:39 CEST | Update | https://www.mdpi.com/1422-0067/15/4/6096/xml |
| article html file updated | 12 May 2014 10:53 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 10:53 CEST | Original file | - |
| article pdf uploaded. | 10 April 2014 10:31 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/4/6096/pdf |
