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| article xml uploaded. | 31 July 2018 04:44 CEST | Update | https://www.mdpi.com/2075-4701/8/7/558/xml |
| article pdf uploaded. | 31 July 2018 04:44 CEST | Updated version of record | https://www.mdpi.com/2075-4701/8/7/558/pdf |
| article html file updated | 23 July 2018 03:41 CEST | Original file | N/A |
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| article xml file uploaded | 20 July 2018 14:46 CEST | Update | N/A |
| article supplementary file uploaded. | 20 July 2018 14:46 CEST | - | https://www.mdpi.com/2075-4701/8/7/558#supplementary |
| article pdf uploaded. | 20 July 2018 14:46 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/7/558/pdf-vor |
