| article html file updated | 8 February 2020 04:40 CET | Update | https://www.mdpi.com/1999-4893/10/2/49 |
| article html file updated | 24 September 2019 13:47 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:13 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:25 CEST | Update | N/A |
| article html file updated | 2 May 2017 12:53 CEST | Original file | N/A |
| article xml uploaded. | 2 May 2017 12:52 CEST | Update | https://www.mdpi.com/1999-4893/10/2/49/xml |
| article pdf uploaded. | 2 May 2017 12:52 CEST | Updated version of record | https://www.mdpi.com/1999-4893/10/2/49/pdf |
| article pdf uploaded. | 29 April 2017 09:49 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/49/pdf-vor |
