| article html file updated | 7 February 2020 12:42 CET | Update | https://www.mdpi.com/1424-2818/8/3/17 |
| article html file updated | 5 May 2019 08:17 CEST | Update | - |
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| article html file updated | 29 September 2016 11:55 CEST | Update | - |
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| article xml uploaded. | 2 August 2016 09:33 CEST | Update | https://www.mdpi.com/1424-2818/8/3/17/xml |
| article pdf uploaded. | 2 August 2016 09:32 CEST | Version of Record | https://www.mdpi.com/1424-2818/8/3/17/pdf |
