| article html file updated | 6 February 2020 08:01 CET | Update | https://www.mdpi.com/1422-0067/15/3/4938 |
| article html file updated | 7 May 2019 17:05 CEST | Update | - |
| article html file updated | 21 March 2019 14:09 CET | Update | - |
| article html file updated | 20 August 2015 00:24 CEST | Update | - |
| article html file updated | 8 April 2014 11:06 CEST | Original file | - |
| article xml file uploaded | 8 April 2014 11:05 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4938/xml |
| article pdf uploaded. | 20 March 2014 09:15 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4938/pdf |
