| article html file updated | 7 February 2020 18:42 CET | Update | https://www.mdpi.com/2075-4701/6/12/299 |
| article html file updated | 22 September 2019 07:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 21:11 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:18 CET | Update | N/A |
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| article xml uploaded. | 28 November 2016 03:49 CET | Update | https://www.mdpi.com/2075-4701/6/12/299/xml |
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| article xml uploaded. | 28 November 2016 03:49 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2016 03:49 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/299/pdf |
