| article html file updated | 9 February 2020 03:59 CET | Update | https://www.mdpi.com/1999-4907/9/2/49 |
| article html file updated | 30 September 2019 03:25 CEST | Update | N/A |
| article html file updated | 2 May 2019 00:17 CEST | Update | N/A |
| article html file updated | 17 April 2019 22:46 CEST | Update | N/A |
| article html file updated | 28 March 2019 17:37 CET | Update | N/A |
| article html file updated | 14 March 2018 09:23 CET | Update | N/A |
| article html file updated | 24 January 2018 03:44 CET | Original file | N/A |
| article xml uploaded. | 24 January 2018 03:43 CET | Update | https://www.mdpi.com/1999-4907/9/2/49/xml |
| article xml uploaded. | 23 January 2018 16:36 CET | Update | N/A |
| article pdf uploaded. | 23 January 2018 16:36 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/2/49/pdf |
| article xml uploaded. | 23 January 2018 16:24 CET | Update | N/A |
| article xml uploaded. | 23 January 2018 16:24 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2018 16:24 CET | Version of Record | N/A |
