| article html file updated | 8 February 2020 02:48 CET | Update | https://www.mdpi.com/2076-0787/6/2/14 |
| article html file updated | 4 May 2019 03:49 CEST | Update | - |
| article html file updated | 13 April 2017 05:07 CEST | Update | - |
| article html file updated | 12 April 2017 07:48 CEST | Update | - |
| article html file updated | 12 April 2017 07:22 CEST | Update | - |
| article html file updated | 12 April 2017 05:26 CEST | Update | - |
| article html file updated | 7 April 2017 22:20 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 02:39 CEST | Original file | https://www.mdpi.com/2076-0787/6/2/14/xml |
| article pdf uploaded. | 7 April 2017 02:39 CEST | Updated version of record | https://www.mdpi.com/2076-0787/6/2/14/pdf |
| article pdf uploaded. | 2 April 2017 10:01 CEST | Version of Record | https://www.mdpi.com/2076-0787/6/2/14/pdf-vor |
