| article html file updated | 8 February 2020 15:37 CET | Update | https://www.mdpi.com/2304-8158/6/9/79 |
| article html file updated | 27 September 2019 00:25 CEST | Update | - |
| article html file updated | 3 May 2019 03:01 CEST | Update | - |
| article html file updated | 30 September 2017 10:18 CEST | Update | - |
| article html file updated | 8 September 2017 16:02 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 16:01 CEST | Original file | https://www.mdpi.com/2304-8158/6/9/79/xml |
| article pdf uploaded. | 8 September 2017 16:01 CEST | Updated version of record | https://www.mdpi.com/2304-8158/6/9/79/pdf |
| article pdf uploaded. | 7 September 2017 16:29 CEST | Version of Record | https://www.mdpi.com/2304-8158/6/9/79/pdf-vor |
