| article html file updated | 8 February 2020 11:28 CET | Update | https://www.mdpi.com/1424-8220/17/7/1651 |
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| article xml uploaded. | 21 July 2017 09:31 CEST | Update | https://www.mdpi.com/1424-8220/17/7/1651/xml |
| article pdf uploaded. | 21 July 2017 09:31 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/7/1651/pdf |
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