| article html file updated | 8 February 2020 20:37 CET | Update | https://www.mdpi.com/2304-8158/6/11/97 |
| article html file updated | 28 September 2019 07:44 CEST | Update | N/A |
| article html file updated | 2 May 2019 16:17 CEST | Update | N/A |
| article html file updated | 30 November 2017 10:30 CET | Update | N/A |
| article html file updated | 8 November 2017 09:57 CET | Original file | N/A |
| article xml uploaded. | 8 November 2017 09:56 CET | Original file | https://www.mdpi.com/2304-8158/6/11/97/xml |
| article pdf uploaded. | 8 November 2017 09:56 CET | Version of Record | https://www.mdpi.com/2304-8158/6/11/97/pdf |
