| article html file updated | 7 February 2020 02:46 CET | Update | https://www.mdpi.com/1099-4300/18/1/7 |
| article html file updated | 6 May 2019 03:49 CEST | Update | - |
| article html file updated | 26 March 2019 17:21 CET | Original file | - |
| article pdf uploaded. | 26 December 2015 06:44 CET | Version of Record | https://www.mdpi.com/1099-4300/18/1/7/pdf |
| article xml uploaded. | 26 December 2015 06:44 CET | Original file | https://www.mdpi.com/1099-4300/18/1/7/xml |
