| article html file updated | 8 February 2020 07:09 CET | Update | https://www.mdpi.com/2079-4991/7/6/131 |
| article html file updated | 25 September 2019 02:38 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:35 CEST | Update | N/A |
| article html file updated | 27 June 2017 11:11 CEST | Update | N/A |
| article html file updated | 5 June 2017 13:31 CEST | Original file | N/A |
| article xml uploaded. | 5 June 2017 13:29 CEST | Update | https://www.mdpi.com/2079-4991/7/6/131/xml |
| article pdf uploaded. | 5 June 2017 13:29 CEST | Updated version of record | https://www.mdpi.com/2079-4991/7/6/131/pdf |
| article pdf uploaded. | 31 May 2017 16:29 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/6/131/pdf-vor |
