| article html file updated | 8 February 2020 10:08 CET | Update | https://www.mdpi.com/2077-0383/6/7/65 |
| article html file updated | 25 September 2019 18:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 13:58 CEST | Update | N/A |
| article html file updated | 28 July 2017 11:48 CEST | Update | N/A |
| article html file updated | 5 July 2017 15:57 CEST | Original file | N/A |
| article xml uploaded. | 5 July 2017 15:56 CEST | Original file | https://www.mdpi.com/2077-0383/6/7/65/xml |
| article pdf uploaded. | 5 July 2017 15:56 CEST | Updated version of record | https://www.mdpi.com/2077-0383/6/7/65/pdf |
