| article html file updated | 9 February 2020 10:13 CET | Update | https://www.mdpi.com/1999-4907/9/3/151 |
| article html file updated | 1 October 2019 17:22 CEST | Update | - |
| article html file updated | 1 May 2019 10:58 CEST | Update | - |
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| article html file updated | 26 March 2018 13:41 CEST | Update | - |
| article html file updated | 17 March 2018 10:15 CET | Original file | - |
| article xml uploaded. | 17 March 2018 10:14 CET | Update | https://www.mdpi.com/1999-4907/9/3/151/xml |
| article pdf uploaded. | 17 March 2018 10:14 CET | Version of Record | https://www.mdpi.com/1999-4907/9/3/151/pdf |
