| article html file updated | 9 February 2020 07:41 CET | Update | https://www.mdpi.com/1999-4907/9/3/100 |
| article html file updated | 1 October 2019 01:21 CEST | Update | - |
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| article html file updated | 26 March 2018 13:43 CEST | Update | - |
| article html file updated | 26 February 2018 13:04 CET | Original file | - |
| article xml uploaded. | 26 February 2018 13:03 CET | Original file | https://www.mdpi.com/1999-4907/9/3/100/xml |
| article pdf uploaded. | 26 February 2018 13:03 CET | Version of Record | https://www.mdpi.com/1999-4907/9/3/100/pdf |
