| article html file updated | 7 February 2020 04:19 CET | Update | https://www.mdpi.com/1099-4300/18/2/50 |
| 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. | 8 February 2016 13:38 CET | Updated version of record | https://www.mdpi.com/1099-4300/18/2/50/pdf |
| article pdf uploaded. | 5 February 2016 08:32 CET | Version of Record | https://www.mdpi.com/1099-4300/18/2/50/pdf-vor |
| article xml uploaded. | 5 February 2016 08:32 CET | Original file | https://www.mdpi.com/1099-4300/18/2/50/xml |
