| article html file updated | 7 February 2020 03:52 CET | Update | https://www.mdpi.com/1099-4300/18/2/39 |
| article html file updated | 6 May 2019 01:45 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:19 CET | Original file | N/A |
| article pdf uploaded. | 27 January 2016 14:27 CET | Updated version of record | https://www.mdpi.com/1099-4300/18/2/39/pdf |
| article pdf uploaded. | 26 January 2016 09:29 CET | Version of Record | https://www.mdpi.com/1099-4300/18/2/39/pdf-vor |
| article xml uploaded. | 26 January 2016 09:29 CET | Original file | https://www.mdpi.com/1099-4300/18/2/39/xml |
