| article html file updated | 14 August 2026 16:42 CEST | Update | https://www.mdpi.com/2076-3298/4/3/57 |
| article html file updated | 8 February 2020 13:33 CET | Update | N/A |
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| article xml uploaded. | 17 August 2017 08:01 CEST | Update | https://www.mdpi.com/2076-3298/4/3/57/xml |
| article pdf uploaded. | 17 August 2017 08:01 CEST | Updated version of record | https://www.mdpi.com/2076-3298/4/3/57/pdf |
| article html file updated | 15 August 2017 08:08 CEST | Original file | N/A |
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| article pdf uploaded. | 15 August 2017 08:07 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/3/57/pdf-vor |
