| article html file updated | 7 February 2020 09:25 CET | Update | https://www.mdpi.com/1420-3049/21/6/703 |
| article html file updated | 21 September 2019 18:00 CEST | Update | - |
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| article html file updated | 27 May 2016 13:49 CEST | Original file | - |
| article xml uploaded. | 27 May 2016 13:47 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/703/xml |
| article pdf uploaded. | 27 May 2016 13:47 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/703/pdf |
