| article html file updated | 7 February 2020 15:24 CET | Update | https://www.mdpi.com/2306-5710/2/4/25 |
| article html file updated | 5 May 2019 03:23 CEST | Update | - |
| article html file updated | 22 September 2016 11:07 CEST | Original file | - |
| article xml uploaded. | 22 September 2016 11:06 CEST | Original file | https://www.mdpi.com/2306-5710/2/4/25/xml |
| article pdf uploaded. | 22 September 2016 11:06 CEST | Version of Record | https://www.mdpi.com/2306-5710/2/4/25/pdf |
