| article html file updated | 9 February 2020 05:30 CET | Update | https://www.mdpi.com/2076-3417/8/2/237 |
| article html file updated | 12 September 2019 13:39 CEST | Update | - |
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| article html file updated | 14 March 2018 10:52 CET | Update | - |
| article html file updated | 6 February 2018 13:16 CET | Original file | - |
| article xml uploaded. | 6 February 2018 13:15 CET | Update | https://www.mdpi.com/2076-3417/8/2/237/xml |
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| article pdf uploaded. | 6 February 2018 13:15 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/237/pdf |
| article pdf uploaded. | 4 February 2018 11:10 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/237/pdf-vor |