| article html file updated | 8 February 2020 19:46 CET | Update | https://www.mdpi.com/2304-8158/6/11/94 |
| article html file updated | 28 September 2019 02:15 CEST | Update | - |
| article html file updated | 2 May 2019 18:15 CEST | Update | - |
| article html file updated | 30 November 2017 10:30 CET | Update | - |
| article html file updated | 30 October 2017 20:21 CET | Original file | - |
| article xml uploaded. | 30 October 2017 20:19 CET | Original file | https://www.mdpi.com/2304-8158/6/11/94/xml |
| article pdf uploaded. | 30 October 2017 20:19 CET | Updated version of record | https://www.mdpi.com/2304-8158/6/11/94/pdf |
| article pdf uploaded. | 29 October 2017 13:51 CET | Version of Record | https://www.mdpi.com/2304-8158/6/11/94/pdf-vor |
