| article html file updated | 14 August 2026 13:40 CEST | Update | https://www.mdpi.com/2073-4441/9/4/258 |
| article html file updated | 8 February 2020 02:58 CET | Update | N/A |
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| article pdf uploaded. | 10 April 2017 10:01 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/4/258/pdf |
| article pdf uploaded. | 5 April 2017 13:16 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/4/258/pdf-vor |
