| article html file updated | 6 February 2020 11:56 CET | Update | https://www.mdpi.com/1422-0067/15/9/15512 |
| article html file updated | 7 May 2019 08:52 CEST | Update | - |
| article html file updated | 22 March 2019 00:09 CET | Update | - |
| article html file updated | 20 August 2015 17:06 CEST | Update | - |
| article html file updated | 19 October 2014 15:59 CEST | Update | - |
| article xml file uploaded | 19 October 2014 15:59 CEST | Update | https://www.mdpi.com/1422-0067/15/9/15512/xml |
| article html file updated | 30 September 2014 08:07 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 08:07 CEST | Original file | - |
| article pdf uploaded. | 2 September 2014 08:27 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/9/15512/pdf |
