| article html file updated | 8 February 2020 18:38 CET | Update | https://www.mdpi.com/2075-5309/7/4/92 |
| article html file updated | 27 September 2019 19:28 CEST | Update | - |
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| article html file updated | 18 October 2017 05:43 CEST | Original file | - |
| article xml uploaded. | 18 October 2017 05:41 CEST | Update | https://www.mdpi.com/2075-5309/7/4/92/xml |
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| article pdf uploaded. | 18 October 2017 05:41 CEST | Updated version of record | https://www.mdpi.com/2075-5309/7/4/92/pdf |
| article pdf uploaded. | 16 October 2017 15:13 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/4/92/pdf-vor |