| article html file updated | 8 February 2020 21:25 CET | Update | https://www.mdpi.com/2220-9964/6/11/368 |
| article html file updated | 28 September 2019 12:58 CEST | Update | - |
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| article html file updated | 30 November 2017 09:34 CET | Update | - |
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| article xml uploaded. | 16 November 2017 14:57 CET | Update | https://www.mdpi.com/2220-9964/6/11/368/xml |
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| article pdf uploaded. | 16 November 2017 14:57 CET | Version of Record | https://www.mdpi.com/2220-9964/6/11/368/pdf |