| article html file updated | 8 February 2020 17:43 CET | Update | https://www.mdpi.com/2304-8158/6/10/87 |
| article html file updated | 27 September 2019 12:40 CEST | Update | - |
| article html file updated | 2 May 2019 22:54 CEST | Update | - |
| article html file updated | 6 November 2017 07:10 CET | Update | - |
| article html file updated | 9 October 2017 11:49 CEST | Update | - |
| article xml uploaded. | 9 October 2017 11:47 CEST | Update | https://www.mdpi.com/2304-8158/6/10/87/xml |
| article pdf uploaded. | 9 October 2017 11:47 CEST | Updated version of record | https://www.mdpi.com/2304-8158/6/10/87/pdf |
| article html file updated | 2 October 2017 15:50 CEST | Original file | - |
| article xml uploaded. | 2 October 2017 15:49 CEST | Original file | - |
| article pdf uploaded. | 2 October 2017 15:49 CEST | Version of Record | https://www.mdpi.com/2304-8158/6/10/87/pdf-vor |
