| article html file updated | 30 August 2025 02:17 CEST | Update | https://www.mdpi.com/2409-9279/1/1/6 |
| article html file updated | 16 July 2022 08:36 CEST | Update | N/A |
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| article xml uploaded. | 18 January 2018 11:27 CET | Original file | https://www.mdpi.com/2409-9279/1/1/6/xml |
| article pdf uploaded. | 18 January 2018 11:27 CET | Updated version of record | https://www.mdpi.com/2409-9279/1/1/6/pdf |
| article pdf uploaded. | 17 January 2018 17:43 CET | Version of Record | https://www.mdpi.com/2409-9279/1/1/6/pdf-vor |
