| article html file updated | 9 February 2020 02:19 CET | Update | https://www.mdpi.com/2076-3263/8/1/15 |
| article html file updated | 29 September 2019 17:59 CEST | Update | - |
| article html file updated | 2 May 2019 03:47 CEST | Update | - |
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| article html file updated | 1 February 2018 15:16 CET | Update | - |
| article html file updated | 8 January 2018 14:36 CET | Original file | - |
| article xml uploaded. | 8 January 2018 14:35 CET | Update | https://www.mdpi.com/2076-3263/8/1/15/xml |
| article pdf uploaded. | 8 January 2018 14:35 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/15/pdf |
