| article html file updated | 8 February 2020 05:47 CET | Update | https://www.mdpi.com/2075-5309/7/2/41 |
| article html file updated | 24 September 2019 19:33 CEST | Update | - |
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| article html file updated | 28 June 2017 12:47 CEST | Update | - |
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| article html file updated | 17 May 2017 03:48 CEST | Original file | - |
| article xml uploaded. | 17 May 2017 03:46 CEST | Update | https://www.mdpi.com/2075-5309/7/2/41/xml |
| article pdf uploaded. | 17 May 2017 03:46 CEST | Updated version of record | https://www.mdpi.com/2075-5309/7/2/41/pdf |
| article pdf uploaded. | 13 May 2017 10:02 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/2/41/pdf-vor |
