| article html file updated | 7 February 2020 14:57 CET | Update | https://www.mdpi.com/1660-4601/13/9/906 |
| article html file updated | 5 May 2019 04:10 CEST | Update | - |
| article html file updated | 26 September 2016 12:12 CEST | Update | - |
| article html file updated | 13 September 2016 14:36 CEST | Original file | - |
| article xml uploaded. | 13 September 2016 14:35 CEST | Original file | https://www.mdpi.com/1660-4601/13/9/906/xml |
| article pdf uploaded. | 13 September 2016 14:35 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/9/906/pdf |
