| article html file updated | 6 February 2020 07:50 CET | Update | https://www.mdpi.com/1422-0067/15/3/4284 |
| article html file updated | 7 May 2019 17:29 CEST | Update | - |
| article html file updated | 21 March 2019 13:41 CET | Update | - |
| article html file updated | 19 August 2015 23:19 CEST | Update | - |
| article html file updated | 8 April 2014 10:49 CEST | Original file | - |
| article xml file uploaded | 8 April 2014 10:49 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4284/xml |
| article pdf uploaded. | 11 March 2014 11:45 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4284/pdf |
