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| article html file updated | 16 July 2022 06:39 CEST | Update | N/A |
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| article pdf uploaded. | 26 October 2017 08:15 CEST | Updated version of record | https://www.mdpi.com/2079-6374/7/4/45/pdf |
| article html file updated | 10 October 2017 03:20 CEST | Original file | N/A |
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| article pdf uploaded. | 10 October 2017 03:19 CEST | Updated version of record | https://www.mdpi.com/2079-6374/7/4/45/pdf-vor |
| article pdf uploaded. | 3 October 2017 14:13 CEST | Version of Record | https://www.mdpi.com/2079-6374/7/4/45/pdf-vor |
