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| article html file updated | 8 January 2019 07:47 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2019 07:45 CET | Updated version of record | https://www.mdpi.com/2076-0817/8/1/4/pdf |
| article xml uploaded. | 8 January 2019 07:45 CET | Update | https://www.mdpi.com/2076-0817/8/1/4/xml |
| article xml file uploaded | 8 January 2019 07:45 CET | Update | N/A |
| article pdf uploaded. | 6 January 2019 11:10 CET | Version of Record | https://www.mdpi.com/2076-0817/8/1/4/pdf-vor |
| article xml file uploaded | 6 January 2019 11:10 CET | Original file | N/A |
