| article html file updated | 9 February 2020 08:01 CET | Update | https://www.mdpi.com/2079-6374/8/1/18 |
| article html file updated | 1 October 2019 03:15 CEST | Update | - |
| article html file updated | 1 May 2019 15:31 CEST | Update | - |
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| article html file updated | 27 March 2018 14:28 CEST | Update | - |
| article html file updated | 28 February 2018 09:41 CET | Original file | - |
| article xml uploaded. | 28 February 2018 09:39 CET | Original file | https://www.mdpi.com/2079-6374/8/1/18/xml |
| article pdf uploaded. | 28 February 2018 09:39 CET | Version of Record | https://www.mdpi.com/2079-6374/8/1/18/pdf |
