| article html file updated | 14 August 2026 21:01 CEST | Update | https://www.mdpi.com/2504-3900/2/1/52 |
| article html file updated | 26 September 2022 09:56 CEST | Original file | N/A |
| article pdf uploaded. | 26 March 2018 06:15 CEST | Updated version of record | https://www.mdpi.com/2504-3900/2/1/52/pdf |
| article pdf uploaded. | 12 January 2018 14:49 CET | Version of Record | https://www.mdpi.com/2504-3900/2/1/52/pdf-vor |
