| article html file updated | 7 February 2020 01:00 CET | Update | https://www.mdpi.com/1996-1073/8/11/12344 |
| article html file updated | 6 May 2019 07:04 CEST | Update | - |
| article html file updated | 26 March 2019 14:44 CET | Original file | - |
| article pdf uploaded. | 16 November 2015 12:46 CET | Version of Record | https://www.mdpi.com/1996-1073/8/11/12344/pdf |
| article xml uploaded. | 16 November 2015 12:46 CET | Original file | https://www.mdpi.com/1996-1073/8/11/12344/xml |
