| article html file updated | 8 February 2020 14:49 CET | Update | https://www.mdpi.com/2227-9032/5/3/49 |
| article html file updated | 26 September 2019 20:08 CEST | Update | - |
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| article html file updated | 30 September 2017 12:01 CEST | Update | - |
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| article xml uploaded. | 30 August 2017 07:25 CEST | Original file | https://www.mdpi.com/2227-9032/5/3/49/xml |
| article pdf uploaded. | 30 August 2017 07:25 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/3/49/pdf |
