| article html file updated | 17 July 2022 00:01 CEST | Update | https://www.mdpi.com/1999-4907/9/8/461 |
| article html file updated | 10 February 2020 03:33 CET | Update | N/A |
| article html file updated | 6 October 2019 03:17 CEST | Update | N/A |
| article html file updated | 29 April 2019 21:58 CEST | Update | N/A |
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| article html file updated | 31 March 2019 01:44 CET | Update | N/A |
| article html file updated | 23 August 2018 13:59 CEST | Update | N/A |
| article html file updated | 31 July 2018 08:01 CEST | Update | N/A |
| article html file updated | 30 July 2018 12:14 CEST | Original file | N/A |
| article pdf uploaded. | 30 July 2018 10:57 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/8/461/pdf |
| article xml uploaded. | 30 July 2018 10:57 CEST | Update | https://www.mdpi.com/1999-4907/9/8/461/xml |
| article xml file uploaded | 30 July 2018 10:57 CEST | Original file | N/A |
