| article html file updated | 8 February 2020 14:31 CET | Update | https://www.mdpi.com/2226-4787/5/3/47 |
| article html file updated | 26 September 2019 18:17 CEST | Update | - |
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| article html file updated | 30 September 2017 15:41 CEST | Update | - |
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| article xml uploaded. | 25 August 2017 13:56 CEST | Original file | https://www.mdpi.com/2226-4787/5/3/47/xml |
| article pdf uploaded. | 25 August 2017 13:56 CEST | Version of Record | https://www.mdpi.com/2226-4787/5/3/47/pdf |
