| article html file updated | 7 February 2020 18:43 CET | Update | https://www.mdpi.com/2073-4441/8/12/554 |
| article html file updated | 4 May 2019 21:08 CEST | Update | - |
| article html file updated | 27 December 2016 11:38 CET | Update | - |
| article html file updated | 28 November 2016 11:54 CET | Original file | - |
| article xml uploaded. | 28 November 2016 11:53 CET | Update | https://www.mdpi.com/2073-4441/8/12/554/xml |
| article xml uploaded. | 28 November 2016 11:53 CET | Original file | - |
| article pdf uploaded. | 28 November 2016 11:53 CET | Version of Record | https://www.mdpi.com/2073-4441/8/12/554/pdf |
