| article html file updated | 9 February 2020 01:30 CET | Update | https://www.mdpi.com/1999-4923/10/1/4 |
| article html file updated | 29 September 2019 13:27 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:29 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:31 CEST | Update | N/A |
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| article html file updated | 27 March 2018 14:51 CEST | Update | N/A |
| article html file updated | 29 December 2017 09:58 CET | Original file | N/A |
| article xml uploaded. | 29 December 2017 09:57 CET | Original file | https://www.mdpi.com/1999-4923/10/1/4/xml |
| article pdf uploaded. | 29 December 2017 09:57 CET | Version of Record | https://www.mdpi.com/1999-4923/10/1/4/pdf |
