| article html file updated | 8 February 2020 03:54 CET | Update | https://www.mdpi.com/2073-4395/7/2/29 |
| article html file updated | 24 September 2019 09:38 CEST | Update | - |
| article html file updated | 4 May 2019 01:37 CEST | Update | - |
| article html file updated | 28 June 2017 12:21 CEST | Update | - |
| article html file updated | 19 April 2017 13:26 CEST | Update | - |
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| article xml uploaded. | 19 April 2017 13:24 CEST | Original file | https://www.mdpi.com/2073-4395/7/2/29/xml |
| article pdf uploaded. | 19 April 2017 13:24 CEST | Version of Record | https://www.mdpi.com/2073-4395/7/2/29/pdf |
