| article html file updated | 8 February 2020 03:34 CET | Update | https://www.mdpi.com/2076-3425/7/4/41 |
| article html file updated | 24 September 2019 07:38 CEST | Update | - |
| article html file updated | 4 May 2019 02:15 CEST | Update | - |
| article html file updated | 28 April 2017 05:32 CEST | Update | - |
| article html file updated | 14 April 2017 09:22 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 09:20 CEST | Original file | https://www.mdpi.com/2076-3425/7/4/41/xml |
| article pdf uploaded. | 14 April 2017 09:20 CEST | Version of Record | https://www.mdpi.com/2076-3425/7/4/41/pdf |
