| article html file updated | 27 August 2018 08:52 CEST | Update | https://www.mdpi.com/2076-2607/4/2/20 |
| article html file updated | 20 September 2016 11:48 CEST | Update | - |
| article html file updated | 12 July 2016 04:26 CEST | Update | - |
| article html file updated | 15 June 2016 09:08 CEST | Original file | - |
| article xml uploaded. | 15 June 2016 09:07 CEST | Original file | https://www.mdpi.com/2076-2607/4/2/20/xml |
| article pdf uploaded. | 15 June 2016 09:07 CEST | Version of Record | https://www.mdpi.com/2076-2607/4/2/20/pdf |
