| article html file updated | 9 February 2020 01:21 CET | Update | https://www.mdpi.com/2076-3417/8/1/36 |
| article html file updated | 29 September 2019 12:38 CEST | Update | - |
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| article html file updated | 28 December 2017 10:35 CET | Original file | - |
| article xml uploaded. | 28 December 2017 10:34 CET | Update | https://www.mdpi.com/2076-3417/8/1/36/xml |
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| article pdf uploaded. | 28 December 2017 10:34 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/1/36/pdf |
| article pdf uploaded. | 27 December 2017 16:50 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/36/pdf-vor |