| article html file updated | 8 February 2020 09:24 CET | Update | https://www.mdpi.com/1996-1073/10/7/855 |
| article html file updated | 25 September 2019 14:19 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:21 CEST | Update | N/A |
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| article html file updated | 28 June 2017 04:03 CEST | Original file | N/A |
| article xml uploaded. | 27 June 2017 15:08 CEST | Update | https://www.mdpi.com/1996-1073/10/7/855/xml |
| article pdf uploaded. | 27 June 2017 15:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/855/pdf |