| article html file updated | 27 August 2018 07:41 CEST | Update | https://www.mdpi.com/2076-2607/4/3/31 |
| article html file updated | 28 September 2016 11:53 CEST | Update | - |
| article html file updated | 25 August 2016 08:17 CEST | Original file | - |
| article xml uploaded. | 25 August 2016 08:16 CEST | Original file | https://www.mdpi.com/2076-2607/4/3/31/xml |
| article pdf uploaded. | 25 August 2016 08:16 CEST | Version of Record | https://www.mdpi.com/2076-2607/4/3/31/pdf |
