| article html file updated | 14 August 2026 13:59 CEST | Update | https://www.mdpi.com/2076-3417/7/4/418 |
| article html file updated | 8 February 2020 04:03 CET | Update | N/A |
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| article pdf uploaded. | 24 April 2017 04:48 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/418/pdf |
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