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| article html file updated | 14 May 2019 04:11 CEST | Original file | N/A |
| article pdf uploaded. | 14 May 2019 04:10 CEST | Updated version of record | https://www.mdpi.com/2079-3197/7/2/23/pdf |
| article xml uploaded. | 14 May 2019 04:10 CEST | Update | https://www.mdpi.com/2079-3197/7/2/23/xml |
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| article pdf uploaded. | 25 April 2019 15:37 CEST | Version of Record | https://www.mdpi.com/2079-3197/7/2/23/pdf-vor |
| article xml file uploaded | 25 April 2019 15:37 CEST | Original file | N/A |
