| article html file updated | 6 February 2020 18:25 CET | Update | https://www.mdpi.com/1420-3049/20/5/8303 |
| article html file updated | 6 May 2019 20:28 CEST | Update | - |
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| article html file updated | 21 August 2015 11:46 CEST | Update | - |
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| article xml file uploaded | 29 June 2015 03:17 CEST | Original file | https://www.mdpi.com/1420-3049/20/5/8303/xml |
| article pdf uploaded. | 7 May 2015 15:36 CEST | Updated version of record | https://www.mdpi.com/1420-3049/20/5/8303/pdf |
