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| article pdf uploaded. | 21 December 2018 08:06 CET | Updated version of record | https://www.mdpi.com/1999-4915/10/12/711/pdf |
| article xml uploaded. | 21 December 2018 08:06 CET | Update | https://www.mdpi.com/1999-4915/10/12/711/xml |
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| article html file updated | 12 December 2018 14:24 CET | Original file | N/A |
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| article pdf uploaded. | 12 December 2018 14:23 CET | Version of Record | https://www.mdpi.com/1999-4915/10/12/711/pdf-vor |
| article xml uploaded. | 12 December 2018 14:23 CET | Original file | N/A |
