| article html file updated | 7 February 2020 01:24 CET | Update | https://www.mdpi.com/1996-1073/8/12/12378 |
| article html file updated | 6 May 2019 06:39 CEST | Update | - |
| article html file updated | 26 March 2019 15:06 CET | Original file | - |
| article pdf uploaded. | 26 November 2015 13:37 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12378/pdf |
| article xml uploaded. | 26 November 2015 13:37 CET | Original file | https://www.mdpi.com/1996-1073/8/12/12378/xml |
