| article html file updated | 6 February 2020 12:24 CET | Update | https://www.mdpi.com/1422-0067/15/9/16911 |
| article html file updated | 7 May 2019 07:58 CEST | Update | - |
| article html file updated | 22 March 2019 01:21 CET | Update | - |
| article html file updated | 20 August 2015 20:26 CEST | Update | - |
| article html file updated | 19 October 2014 16:01 CEST | Original file | - |
| article xml file uploaded | 19 October 2014 16:01 CEST | Original file | https://www.mdpi.com/1422-0067/15/9/16911/xml |
| article pdf uploaded. | 23 September 2014 09:15 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/9/16911/pdf |
