| article html file updated | 8 February 2020 03:31 CET | Update | https://www.mdpi.com/1996-1073/10/4/528 |
| article html file updated | 24 September 2019 07:18 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:21 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:18 CEST | Update | N/A |
| article html file updated | 15 April 2017 11:56 CEST | Original file | N/A |
| article xml uploaded. | 15 April 2017 11:55 CEST | Update | https://www.mdpi.com/1996-1073/10/4/528/xml |
| article pdf uploaded. | 15 April 2017 11:55 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/528/pdf |
| article pdf uploaded. | 13 April 2017 15:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/528/pdf-vor |
