| article html file updated | 8 February 2020 23:41 CET | Update | https://www.mdpi.com/1660-4601/14/12/1552 |
| article html file updated | 29 September 2019 02:54 CEST | Update | - |
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| article html file updated | 18 April 2019 07:08 CEST | Update | - |
| article html file updated | 2 January 2018 15:12 CET | Update | - |
| article html file updated | 11 December 2017 12:34 CET | Original file | - |
| article xml uploaded. | 11 December 2017 12:33 CET | Original file | https://www.mdpi.com/1660-4601/14/12/1552/xml |
| article pdf uploaded. | 11 December 2017 12:33 CET | Version of Record | https://www.mdpi.com/1660-4601/14/12/1552/pdf |
