| article html file updated | 8 February 2020 04:14 CET | Update | https://www.mdpi.com/2218-6581/6/2/11 |
| article html file updated | 24 September 2019 11:30 CEST | Update | - |
| article html file updated | 4 May 2019 01:01 CEST | Update | - |
| article html file updated | 29 June 2017 12:24 CEST | Update | - |
| article html file updated | 23 April 2017 12:38 CEST | Original file | - |
| article xml uploaded. | 23 April 2017 12:37 CEST | Original file | https://www.mdpi.com/2218-6581/6/2/11/xml |
| article pdf uploaded. | 23 April 2017 12:37 CEST | Version of Record | https://www.mdpi.com/2218-6581/6/2/11/pdf |
