| article html file updated | 31 August 2025 02:47 CEST | Update | https://www.mdpi.com/2414-4088/3/4/68 |
| article html file updated | 20 July 2022 01:46 CEST | Update | - |
| article html file updated | 14 February 2020 00:17 CET | Update | - |
| article html file updated | 12 October 2019 11:43 CEST | Original file | - |
| article pdf uploaded. | 12 October 2019 11:42 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/4/68/pdf |
| article xml uploaded. | 12 October 2019 11:42 CEST | Update | https://www.mdpi.com/2414-4088/3/4/68/xml |
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