| article html file updated | 17 July 2022 00:34 CEST | Update | https://www.mdpi.com/1999-4907/9/8/481 |
| article html file updated | 10 February 2020 05:01 CET | Update | N/A |
| article html file updated | 6 October 2019 11:13 CEST | Update | N/A |
| article html file updated | 29 April 2019 18:45 CEST | Update | N/A |
| article html file updated | 15 April 2019 14:01 CEST | Update | N/A |
| article html file updated | 31 March 2019 06:15 CEST | Update | N/A |
| article html file updated | 23 August 2018 14:03 CEST | Update | N/A |
| article html file updated | 8 August 2018 11:20 CEST | Original file | N/A |
| article pdf uploaded. | 8 August 2018 11:19 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/8/481/pdf |
| article xml uploaded. | 8 August 2018 11:19 CEST | Update | https://www.mdpi.com/1999-4907/9/8/481/xml |
| article xml file uploaded | 8 August 2018 11:19 CEST | Original file | N/A |