| article html file updated | 6 February 2020 08:56 CET | Update | https://www.mdpi.com/1422-0067/15/5/7444 |
| article html file updated | 7 May 2019 15:11 CEST | Update | - |
| article html file updated | 21 March 2019 16:19 CET | Update | - |
| article html file updated | 20 August 2015 05:06 CEST | Update | - |
| article html file updated | 16 June 2014 09:56 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 09:56 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/7444/xml |
| article pdf uploaded. | 29 April 2014 16:27 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/7444/pdf |
