| article html file updated | 26 September 2022 12:23 CEST | Original file | https://www.mdpi.com/2504-3900/2/1/24 |
| article pdf uploaded. | 9 February 2018 12:40 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/1/24/pdf |
| article pdf uploaded. | 3 January 2018 11:28 CET | Version of Record | https://www.mdpi.com/2504-3900/2/1/24/pdf-vor |
