| article html file updated | 17 September 2018 04:36 CEST | Update | https://www.mdpi.com/1420-3049/21/8/993 |
| article html file updated | 26 August 2016 09:25 CEST | Update | - |
| article html file updated | 29 July 2016 13:23 CEST | Original file | - |
| article xml uploaded. | 29 July 2016 13:22 CEST | Update | https://www.mdpi.com/1420-3049/21/8/993/xml |
| article pdf uploaded. | 29 July 2016 13:22 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/8/993/pdf |
