| article html file updated | 6 February 2020 21:51 CET | Update | https://www.mdpi.com/1424-8220/15/8/20355 |
| article html file updated | 6 May 2019 13:20 CEST | Update | - |
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| article html file updated | 23 September 2016 06:06 CEST | Update | - |
| article xml uploaded. | 23 September 2016 06:04 CEST | Update | https://www.mdpi.com/1424-8220/15/8/20355/xml |
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| article html file updated | 9 September 2015 11:48 CEST | Update | - |
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| article pdf uploaded. | 25 August 2015 10:44 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/8/20355/pdf |
| article html file updated | 21 August 2015 15:39 CEST | Original file | - |
| article pdf uploaded. | 18 August 2015 12:20 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/8/20355/pdf-vor |
