| article html file updated | 9 February 2020 10:55 CET | Update | https://www.mdpi.com/1999-4915/10/4/144 |
| article html file updated | 1 October 2019 21:26 CEST | Update | - |
| article html file updated | 1 May 2019 09:26 CEST | Update | - |
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| article html file updated | 1 May 2018 04:26 CEST | Update | - |
| article html file updated | 23 March 2018 04:57 CET | Original file | - |
| article xml uploaded. | 23 March 2018 04:56 CET | Original file | https://www.mdpi.com/1999-4915/10/4/144/xml |
| article pdf uploaded. | 23 March 2018 04:56 CET | Version of Record | https://www.mdpi.com/1999-4915/10/4/144/pdf |
