| article html file updated | 27 August 2018 08:52 CEST | Update | https://www.mdpi.com/2076-2607/4/2/19 |
| article html file updated | 20 September 2016 11:48 CEST | Update | N/A |
| article html file updated | 12 July 2016 04:26 CEST | Update | N/A |
| article html file updated | 24 May 2016 16:10 CEST | Original file | N/A |
| article xml uploaded. | 24 May 2016 16:09 CEST | Update | https://www.mdpi.com/2076-2607/4/2/19/xml |
| article pdf uploaded. | 24 May 2016 16:09 CEST | Version of Record | https://www.mdpi.com/2076-2607/4/2/19/pdf |
