| article html file updated | 9 February 2020 08:47 CET | Update | https://www.mdpi.com/1999-5903/10/3/26 |
| article html file updated | 1 October 2019 07:42 CEST | Update | N/A |
| article html file updated | 1 May 2019 13:56 CEST | Update | N/A |
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| article html file updated | 6 March 2018 16:35 CET | Original file | N/A |
| article xml uploaded. | 6 March 2018 16:34 CET | Update | https://www.mdpi.com/1999-5903/10/3/26/xml |
| article pdf uploaded. | 6 March 2018 16:34 CET | Version of Record | https://www.mdpi.com/1999-5903/10/3/26/pdf |