| article html file updated | 6 February 2020 18:14 CET | Update | https://www.mdpi.com/1996-1073/8/5/3815 |
| article html file updated | 6 May 2019 20:50 CEST | Update | - |
| article html file updated | 26 March 2019 01:47 CET | Update | - |
| article html file updated | 21 August 2015 11:28 CEST | Update | - |
| article html file updated | 19 May 2015 11:21 CEST | Original file | - |
| article xml file uploaded | 19 May 2015 11:21 CEST | Original file | https://www.mdpi.com/1996-1073/8/5/3815/xml |
| article pdf uploaded. | 30 April 2015 13:16 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/5/3815/pdf |
