| article html file updated | 8 February 2020 22:56 CET | Update | https://www.mdpi.com/1999-4907/8/12/475 |
| article html file updated | 28 September 2019 22:38 CEST | Update | N/A |
| article html file updated | 2 May 2019 11:05 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:43 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:08 CET | Update | N/A |
| article html file updated | 5 December 2017 03:57 CET | Update | N/A |
| article xml uploaded. | 5 December 2017 03:55 CET | Update | https://www.mdpi.com/1999-4907/8/12/475/xml |
| article xml uploaded. | 5 December 2017 03:55 CET | Update | N/A |
| article pdf uploaded. | 5 December 2017 03:55 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/12/475/pdf |
| article html file updated | 4 December 2017 05:34 CET | Original file | N/A |
| article xml uploaded. | 4 December 2017 05:33 CET | Update | N/A |
| article xml uploaded. | 4 December 2017 05:33 CET | Original file | N/A |
| article pdf uploaded. | 4 December 2017 05:33 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/12/475/pdf-vor |
| article pdf uploaded. | 2 December 2017 10:36 CET | Version of Record | https://www.mdpi.com/1999-4907/8/12/475/pdf-vor |
