| article html file updated | 10 February 2020 01:38 CET | Update | https://www.mdpi.com/1999-4907/9/7/428 |
| article html file updated | 5 October 2019 16:21 CEST | Update | N/A |
| article html file updated | 30 April 2019 01:46 CEST | Update | N/A |
| article html file updated | 15 April 2019 21:03 CEST | Update | N/A |
| article html file updated | 30 March 2019 21:09 CET | Update | N/A |
| article html file updated | 2 August 2018 11:06 CEST | Update | N/A |
| article html file updated | 27 July 2018 12:19 CEST | Update | N/A |
| article html file updated | 17 July 2018 11:55 CEST | Original file | N/A |
| article pdf uploaded. | 17 July 2018 11:54 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/7/428/pdf |
| article xml uploaded. | 17 July 2018 11:54 CEST | Update | https://www.mdpi.com/1999-4907/9/7/428/xml |
| article xml file uploaded | 17 July 2018 11:54 CEST | Original file | N/A |
