| article html file updated | 14 August 2026 22:25 CEST | Update | https://www.mdpi.com/2410-3888/3/1/13 |
| article html file updated | 30 August 2025 02:40 CEST | Update | N/A |
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| article html file updated | 24 February 2018 04:01 CET | Original file | N/A |
| article xml uploaded. | 24 February 2018 04:00 CET | Original file | https://www.mdpi.com/2410-3888/3/1/13/xml |
| article pdf uploaded. | 24 February 2018 04:00 CET | Updated version of record | https://www.mdpi.com/2410-3888/3/1/13/pdf |
| article pdf uploaded. | 20 February 2018 16:31 CET | Version of Record | https://www.mdpi.com/2410-3888/3/1/13/pdf-vor |
