| article html file updated | 9 February 2020 00:35 CET | Update | https://www.mdpi.com/2073-4441/9/12/996 |
| article html file updated | 29 September 2019 08:13 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:28 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:19 CEST | Update | N/A |
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| article html file updated | 19 December 2017 14:57 CET | Original file | N/A |
| article xml uploaded. | 19 December 2017 14:56 CET | Update | https://www.mdpi.com/2073-4441/9/12/996/xml |
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| article pdf uploaded. | 19 December 2017 14:56 CET | Version of Record | https://www.mdpi.com/2073-4441/9/12/996/pdf |