| article html file updated | 7 February 2020 21:14 CET | Update | https://www.mdpi.com/1999-4915/9/1/8 |
| article html file updated | 4 May 2019 15:50 CEST | Update | - |
| article html file updated | 7 February 2017 12:22 CET | Update | - |
| article pdf uploaded. | 24 January 2017 10:59 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/1/8/pdf |
| article html file updated | 24 January 2017 10:54 CET | Update | - |
| article xml uploaded. | 24 January 2017 10:53 CET | Update | https://www.mdpi.com/1999-4915/9/1/8/xml |
| article html file updated | 24 January 2017 03:00 CET | Update | - |
| article xml uploaded. | 24 January 2017 02:59 CET | Update | - |
| article pdf uploaded. | 24 January 2017 02:58 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/1/8/pdf-vor |
| article html file updated | 11 January 2017 16:05 CET | Original file | - |
| article xml uploaded. | 11 January 2017 16:04 CET | Original file | - |
| article pdf uploaded. | 11 January 2017 16:04 CET | Version of Record | https://www.mdpi.com/1999-4915/9/1/8/pdf-vor |
