| article html file updated | 8 February 2020 03:51 CET | Update | https://www.mdpi.com/1422-0067/18/4/858 |
| article html file updated | 24 September 2019 09:23 CEST | Update | - |
| article html file updated | 4 May 2019 01:42 CEST | Update | - |
| article html file updated | 8 May 2017 03:11 CEST | Update | - |
| article xml uploaded. | 8 May 2017 03:09 CEST | Update | https://www.mdpi.com/1422-0067/18/4/858/xml |
| article pdf uploaded. | 8 May 2017 03:09 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/858/pdf |
| article html file updated | 2 May 2017 06:15 CEST | Update | - |
| article html file updated | 19 April 2017 10:39 CEST | Original file | - |
| article pdf uploaded. | 19 April 2017 10:37 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/858/pdf-vor |
| article pdf uploaded. | 18 April 2017 15:48 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/858/pdf-vor |
