| article html file updated | 8 February 2020 07:09 CET | Update | https://www.mdpi.com/1099-4300/19/6/251 |
| article html file updated | 3 May 2019 19:35 CEST | Update | N/A |
| article html file updated | 27 June 2017 10:27 CEST | Update | N/A |
| article html file updated | 2 June 2017 03:46 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2017 03:44 CEST | Original file | https://www.mdpi.com/1099-4300/19/6/251/xml |
| article pdf uploaded. | 2 June 2017 03:44 CEST | Updated version of record | https://www.mdpi.com/1099-4300/19/6/251/pdf |
| article pdf uploaded. | 31 May 2017 16:19 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/6/251/pdf-vor |
