| article html file updated | 8 February 2020 03:00 CET | Update | https://www.mdpi.com/2227-7099/5/2/11 |
| article html file updated | 24 September 2019 04:32 CEST | Update | - |
| article html file updated | 4 May 2019 03:21 CEST | Update | - |
| article html file updated | 29 June 2017 11:23 CEST | Update | - |
| article html file updated | 13 April 2017 05:08 CEST | Update | - |
| article html file updated | 12 April 2017 07:49 CEST | Update | - |
| article html file updated | 6 April 2017 12:08 CEST | Original file | - |
| article xml uploaded. | 6 April 2017 12:06 CEST | Original file | https://www.mdpi.com/2227-7099/5/2/11/xml |
| article pdf uploaded. | 6 April 2017 12:06 CEST | Version of Record | https://www.mdpi.com/2227-7099/5/2/11/pdf |
