| article html file updated | 31 August 2025 03:53 CEST | Update | https://www.mdpi.com/2305-7084/3/4/87 |
| article html file updated | 20 July 2022 00:28 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:57 CET | Update | N/A |
| article html file updated | 1 November 2019 13:10 CET | Original file | N/A |
| article pdf uploaded. | 1 November 2019 11:35 CET | Version of Record | https://www.mdpi.com/2305-7084/3/4/87/pdf |
| article xml uploaded. | 1 November 2019 11:35 CET | Update | https://www.mdpi.com/2305-7084/3/4/87/xml |
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