| article html file updated | 7 February 2020 18:47 CET | Update | https://www.mdpi.com/1422-0067/17/12/2004 |
| article html file updated | 4 May 2019 20:59 CEST | Update | - |
| article html file updated | 27 December 2016 10:58 CET | Update | - |
| article html file updated | 30 November 2016 12:42 CET | Update | - |
| article xml uploaded. | 30 November 2016 12:41 CET | Update | https://www.mdpi.com/1422-0067/17/12/2004/xml |
| article pdf uploaded. | 30 November 2016 12:41 CET | Updated version of record | https://www.mdpi.com/1422-0067/17/12/2004/pdf |
| article html file updated | 29 November 2016 12:19 CET | Original file | - |
| article xml uploaded. | 29 November 2016 12:18 CET | Update | - |
| article xml uploaded. | 29 November 2016 12:18 CET | Original file | - |
| article pdf uploaded. | 29 November 2016 12:18 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2004/pdf-vor |
