| article html file updated | 7 February 2020 11:56 CET | Update | https://www.mdpi.com/1420-3049/21/7/936 |
| article html file updated | 21 September 2019 21:17 CEST | Update | - |
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| article html file updated | 19 July 2016 13:54 CEST | Original file | - |
| article xml uploaded. | 19 July 2016 13:52 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/936/xml |
| article pdf uploaded. | 19 July 2016 13:52 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/936/pdf |
