| article html file updated | 8 February 2020 03:55 CET | Update | https://www.mdpi.com/1996-1944/10/4/428 |
| article html file updated | 24 September 2019 09:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:35 CEST | Update | N/A |
| article html file updated | 28 April 2017 09:29 CEST | Update | N/A |
| article html file updated | 20 April 2017 06:07 CEST | Original file | N/A |
| article xml uploaded. | 20 April 2017 06:06 CEST | Update | https://www.mdpi.com/1996-1944/10/4/428/xml |
| article pdf uploaded. | 20 April 2017 06:06 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/4/428/pdf |
| article pdf uploaded. | 19 April 2017 14:24 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/428/pdf-vor |