| article html file updated | 7 February 2020 11:40 CET | Update | https://www.mdpi.com/1424-2818/8/3/15 |
| article html file updated | 5 May 2019 10:12 CEST | Update | - |
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| article html file updated | 29 September 2016 11:54 CEST | Update | - |
| article html file updated | 14 July 2016 08:36 CEST | Original file | - |
| article xml uploaded. | 14 July 2016 08:35 CEST | Original file | https://www.mdpi.com/1424-2818/8/3/15/xml |
| article pdf uploaded. | 14 July 2016 08:35 CEST | Version of Record | https://www.mdpi.com/1424-2818/8/3/15/pdf |
