| article html file updated | 8 February 2020 03:05 CET | Update | https://www.mdpi.com/2227-9717/5/2/16 |
| article html file updated | 24 September 2019 05:02 CEST | Update | - |
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| article html file updated | 29 June 2017 12:47 CEST | Update | - |
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| article xml uploaded. | 7 April 2017 14:12 CEST | Original file | https://www.mdpi.com/2227-9717/5/2/16/xml |
| article pdf uploaded. | 7 April 2017 14:12 CEST | Version of Record | https://www.mdpi.com/2227-9717/5/2/16/pdf |
