| article html file updated | 7 February 2020 20:25 CET | Update | https://www.mdpi.com/1999-4893/10/1/3 |
| article html file updated | 22 September 2019 15:49 CEST | Update | N/A |
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| article html file updated | 28 March 2017 11:50 CEST | Update | N/A |
| article html file updated | 28 December 2016 06:16 CET | Original file | N/A |
| article xml uploaded. | 28 December 2016 06:15 CET | Original file | https://www.mdpi.com/1999-4893/10/1/3/xml |
| article pdf uploaded. | 28 December 2016 06:15 CET | Version of Record | https://www.mdpi.com/1999-4893/10/1/3/pdf |
