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| article html file updated | 29 September 2019 05:40 CEST | Update | - |
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| article html file updated | 15 December 2017 23:06 CET | Update | - |
| article xml uploaded. | 15 December 2017 03:15 CET | Update | https://www.mdpi.com/2075-4701/7/12/564/xml |
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| article pdf uploaded. | 15 December 2017 03:15 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/12/564/pdf |
| article html file updated | 14 December 2017 17:41 CET | Original file | - |
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