| article html file updated | 7 February 2020 04:18 CET | Update | https://www.mdpi.com/1099-4300/18/2/51 |
| article html file updated | 6 May 2019 00:54 CEST | Update | - |
| article html file updated | 26 March 2019 20:11 CET | Original file | - |
| article pdf uploaded. | 5 February 2016 08:30 CET | Version of Record | https://www.mdpi.com/1099-4300/18/2/51/pdf |
| article xml uploaded. | 5 February 2016 08:30 CET | Original file | https://www.mdpi.com/1099-4300/18/2/51/xml |
