| article html file updated | 9 February 2020 03:37 CET | Update | https://www.mdpi.com/2304-6767/6/1/3 |
| article html file updated | 2 May 2019 01:06 CEST | Update | - |
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| article html file updated | 28 March 2018 10:20 CEST | Update | - |
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| article xml uploaded. | 19 January 2018 19:23 CET | Original file | https://www.mdpi.com/2304-6767/6/1/3/xml |
| article pdf uploaded. | 19 January 2018 19:23 CET | Version of Record | https://www.mdpi.com/2304-6767/6/1/3/pdf |
