| article html file updated | 8 February 2020 15:52 CET | Update | https://www.mdpi.com/2414-4088/1/3/19 |
| article html file updated | 3 May 2019 02:34 CEST | Update | - |
| article html file updated | 12 September 2017 11:32 CEST | Original file | - |
| article xml uploaded. | 12 September 2017 11:31 CEST | Original file | https://www.mdpi.com/2414-4088/1/3/19/xml |
| article pdf uploaded. | 12 September 2017 11:31 CEST | Updated version of record | https://www.mdpi.com/2414-4088/1/3/19/pdf |
| article pdf uploaded. | 11 September 2017 12:29 CEST | Version of Record | https://www.mdpi.com/2414-4088/1/3/19/pdf-vor |
