| article html file updated | 9 February 2020 05:24 CET | Update | https://www.mdpi.com/1999-4923/10/1/23 |
| article html file updated | 30 September 2019 11:58 CEST | Update | - |
| article html file updated | 1 May 2019 21:15 CEST | Update | - |
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| article html file updated | 27 March 2018 14:56 CEST | Update | - |
| article html file updated | 3 February 2018 07:09 CET | Original file | - |
| article xml uploaded. | 3 February 2018 07:08 CET | Original file | https://www.mdpi.com/1999-4923/10/1/23/xml |
| article pdf uploaded. | 3 February 2018 07:08 CET | Version of Record | https://www.mdpi.com/1999-4923/10/1/23/pdf |
