| article html file updated | 8 February 2020 02:53 CET | Update | https://www.mdpi.com/1996-1073/10/4/484 |
| article html file updated | 24 September 2019 03:56 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:37 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:07 CEST | Update | N/A |
| article html file updated | 5 April 2017 06:11 CEST | Original file | N/A |
| article xml uploaded. | 5 April 2017 06:10 CEST | Original file | https://www.mdpi.com/1996-1073/10/4/484/xml |
| article pdf uploaded. | 5 April 2017 06:10 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/484/pdf |
| article pdf uploaded. | 4 April 2017 13:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/484/pdf-vor |