| article html file updated | 8 February 2020 14:29 CET | Update | https://www.mdpi.com/2076-0787/6/3/65 |
| article html file updated | 3 May 2019 05:08 CEST | Update | - |
| article html file updated | 25 August 2017 13:17 CEST | Original file | - |
| article xml uploaded. | 25 August 2017 13:15 CEST | Original file | https://www.mdpi.com/2076-0787/6/3/65/xml |
| article pdf uploaded. | 25 August 2017 13:15 CEST | Version of Record | https://www.mdpi.com/2076-0787/6/3/65/pdf |
