| article html file updated | 8 February 2020 05:26 CET | Update | https://www.mdpi.com/2076-0760/6/2/46 |
| article html file updated | 3 May 2019 22:49 CEST | Update | - |
| article html file updated | 23 May 2017 03:56 CEST | Update | - |
| article html file updated | 9 May 2017 13:51 CEST | Original file | - |
| article xml uploaded. | 9 May 2017 13:49 CEST | Original file | https://www.mdpi.com/2076-0760/6/2/46/xml |
| article pdf uploaded. | 9 May 2017 13:49 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/2/46/pdf |
