| article html file updated | 9 February 2020 01:27 CET | Update | https://www.mdpi.com/1911-8074/11/1/3 |
| article html file updated | 29 September 2019 13:08 CEST | Update | - |
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| article html file updated | 27 March 2018 12:22 CEST | Update | - |
| article html file updated | 2 January 2018 20:52 CET | Original file | - |
| article xml uploaded. | 2 January 2018 13:04 CET | Update | https://www.mdpi.com/1911-8074/11/1/3/xml |
| article pdf uploaded. | 2 January 2018 13:04 CET | Updated version of record | https://www.mdpi.com/1911-8074/11/1/3/pdf |
| article pdf uploaded. | 28 December 2017 15:59 CET | Version of Record | https://www.mdpi.com/1911-8074/11/1/3/pdf-vor |
