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| article html file updated | 12 December 2018 05:09 CET | Original file | N/A |
| article pdf uploaded. | 12 December 2018 05:07 CET | Updated version of record | https://www.mdpi.com/2073-4344/8/12/626/pdf |
| article xml uploaded. | 12 December 2018 05:07 CET | Update | https://www.mdpi.com/2073-4344/8/12/626/xml |
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| article pdf uploaded. | 5 December 2018 16:33 CET | Updated version of record | https://www.mdpi.com/2073-4344/8/12/626/pdf-vor |
| article pdf uploaded. | 5 December 2018 15:55 CET | Version of Record | https://www.mdpi.com/2073-4344/8/12/626/pdf-vor |
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