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| article html file updated | 19 December 2018 07:18 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2018 07:16 CET | Updated version of record | https://www.mdpi.com/2073-4336/9/4/97/pdf |
| article xml uploaded. | 19 December 2018 07:16 CET | Update | https://www.mdpi.com/2073-4336/9/4/97/xml |
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| article pdf uploaded. | 5 December 2018 16:25 CET | Updated version of record | https://www.mdpi.com/2073-4336/9/4/97/pdf-vor |
| article pdf uploaded. | 5 December 2018 16:08 CET | Version of Record | https://www.mdpi.com/2073-4336/9/4/97/pdf-vor |
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