| article html file updated | 6 February 2020 20:22 CET | Update | https://www.mdpi.com/1911-8074/8/3/285 |
| article html file updated | 6 May 2019 16:23 CEST | Update | - |
| article html file updated | 26 March 2019 06:00 CET | Update | - |
| article html file updated | 9 November 2015 10:47 CET | Original file | - |
| article xml file uploaded | 9 November 2015 10:47 CET | Original file | https://www.mdpi.com/1911-8074/8/3/285/xml |
| article pdf uploaded. | 6 July 2015 12:01 CEST | Version of Record | https://www.mdpi.com/1911-8074/8/3/285/pdf |
