| article html file updated | 9 February 2020 10:05 CET | Update | https://www.mdpi.com/1999-4907/9/3/146 |
| article html file updated | 1 October 2019 16:40 CEST | Update | N/A |
| article html file updated | 1 May 2019 11:14 CEST | Update | N/A |
| article html file updated | 17 April 2019 11:03 CEST | Update | N/A |
| article html file updated | 29 March 2019 07:04 CET | Update | N/A |
| article html file updated | 26 March 2018 13:40 CEST | Update | N/A |
| article html file updated | 16 March 2018 10:40 CET | Original file | N/A |
| article xml uploaded. | 16 March 2018 10:38 CET | Update | https://www.mdpi.com/1999-4907/9/3/146/xml |
| article pdf uploaded. | 16 March 2018 10:38 CET | Version of Record | https://www.mdpi.com/1999-4907/9/3/146/pdf |