| article html file updated | 8 February 2020 15:17 CET | Update | https://www.mdpi.com/2226-471X/2/3/17 |
| article html file updated | 26 September 2019 22:41 CEST | Update | - |
| article html file updated | 3 May 2019 03:38 CEST | Update | - |
| article html file updated | 20 September 2017 04:03 CEST | Original file | - |
| article xml uploaded. | 20 September 2017 04:02 CEST | Original file | https://www.mdpi.com/2226-471X/2/3/17/xml |
| article pdf uploaded. | 4 September 2017 14:53 CEST | Version of Record | https://www.mdpi.com/2226-471X/2/3/17/pdf |
