| article html file updated | 6 February 2020 08:18 CET | Update | https://www.mdpi.com/1422-0067/15/4/5596 |
| article html file updated | 7 May 2019 16:32 CEST | Update | - |
| article html file updated | 21 March 2019 14:48 CET | Update | - |
| article html file updated | 20 August 2015 01:52 CEST | Update | - |
| article html file updated | 12 May 2014 11:37 CEST | Update | - |
| article xml file uploaded | 12 May 2014 11:37 CEST | Update | https://www.mdpi.com/1422-0067/15/4/5596/xml |
| article html file updated | 12 May 2014 10:42 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 10:40 CEST | Original file | - |
| article pdf uploaded. | 1 April 2014 11:32 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/4/5596/pdf |
