| article html file updated | 30 August 2025 20:33 CEST | Update | https://www.mdpi.com/2218-0532/87/2/13 |
| article html file updated | 19 July 2022 19:25 CEST | Update | N/A |
| article html file updated | 12 February 2020 16:40 CET | Update | N/A |
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| article html file updated | 31 May 2019 11:40 CEST | Original file | N/A |
| article pdf uploaded. | 31 May 2019 11:39 CEST | Version of Record | https://www.mdpi.com/2218-0532/87/2/13/pdf |
| article xml uploaded. | 31 May 2019 11:39 CEST | Update | https://www.mdpi.com/2218-0532/87/2/13/xml |
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