| article html file updated | 8 February 2020 22:07 CET | Update | https://www.mdpi.com/2309-608X/3/4/65 |
| article html file updated | 28 September 2019 17:31 CEST | Update | - |
| article html file updated | 2 May 2019 12:56 CEST | Update | - |
| article html file updated | 18 April 2019 10:34 CEST | Update | - |
| article html file updated | 11 December 2018 09:00 CET | Update | - |
| article html file updated | 27 November 2017 09:55 CET | Original file | - |
| article xml uploaded. | 27 November 2017 09:54 CET | Original file | https://www.mdpi.com/2309-608X/3/4/65/xml |
| article pdf uploaded. | 27 November 2017 09:54 CET | Updated version of record | https://www.mdpi.com/2309-608X/3/4/65/pdf |
| article pdf uploaded. | 24 November 2017 10:04 CET | Version of Record | https://www.mdpi.com/2309-608X/3/4/65/pdf-vor |
