| article html file updated | 6 February 2020 09:24 CET | Update | https://www.mdpi.com/1422-0067/15/5/9117 |
| article html file updated | 7 May 2019 14:15 CEST | Update | N/A |
| article html file updated | 21 March 2019 17:24 CET | Update | N/A |
| article html file updated | 20 August 2015 07:51 CEST | Update | N/A |
| article html file updated | 16 June 2014 10:26 CEST | Original file | N/A |
| article xml file uploaded | 16 June 2014 10:24 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/9117/xml |
| article pdf uploaded. | 22 May 2014 10:02 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/9117/pdf |
