| article html file updated | 9 February 2020 12:55 CET | Update | https://www.mdpi.com/2075-4701/8/4/249 |
| article html file updated | 2 October 2019 09:19 CEST | Update | - |
| article html file updated | 1 May 2019 05:17 CEST | Update | - |
| article html file updated | 17 April 2019 05:28 CEST | Update | - |
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| article html file updated | 1 May 2018 07:48 CEST | Update | - |
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| article html file updated | 8 April 2018 07:34 CEST | Original file | - |
| article xml uploaded. | 8 April 2018 07:33 CEST | Original file | https://www.mdpi.com/2075-4701/8/4/249/xml |
| article pdf uploaded. | 8 April 2018 07:33 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/249/pdf |
