| article html file updated | 6 February 2020 08:54 CET | Update | https://www.mdpi.com/1422-0067/15/5/7409 |
| article html file updated | 7 May 2019 15:15 CEST | Update | - |
| article html file updated | 21 March 2019 16:14 CET | Update | - |
| article html file updated | 20 August 2015 04:58 CEST | Update | - |
| article html file updated | 16 June 2014 09:32 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 09:32 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/7409/xml |
| article pdf uploaded. | 29 April 2014 09:34 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/7409/pdf |
