| article html file updated | 6 February 2020 08:27 CET | Update | https://www.mdpi.com/1422-0067/15/4/5940 |
| article html file updated | 7 May 2019 16:12 CEST | Update | - |
| article html file updated | 21 March 2019 15:10 CET | Update | - |
| article html file updated | 20 August 2015 02:30 CEST | Update | - |
| article html file updated | 12 May 2014 11:38 CEST | Update | - |
| article xml file uploaded | 12 May 2014 11:38 CEST | Update | https://www.mdpi.com/1422-0067/15/4/5940/xml |
| article html file updated | 12 May 2014 10:50 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 10:49 CEST | Original file | - |
| article pdf uploaded. | 9 April 2014 09:18 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/4/5940/pdf |
