| article html file updated | 6 February 2020 12:19 CET | Update | https://www.mdpi.com/1422-0067/15/9/16628 |
| article html file updated | 7 May 2019 08:09 CEST | Update | N/A |
| article html file updated | 22 March 2019 01:05 CET | Update | N/A |
| article html file updated | 20 August 2015 19:55 CEST | Update | N/A |
| article html file updated | 19 October 2014 16:01 CEST | Original file | N/A |
| article xml file uploaded | 19 October 2014 16:01 CEST | Original file | https://www.mdpi.com/1422-0067/15/9/16628/xml |
| article pdf uploaded. | 19 September 2014 09:02 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/9/16628/pdf |
