| article html file updated | 8 February 2020 03:41 CET | Update | https://www.mdpi.com/1422-0067/18/4/841 |
| article html file updated | 24 September 2019 08:19 CEST | Update | - |
| article html file updated | 4 May 2019 02:03 CEST | Update | - |
| article html file updated | 2 May 2017 06:11 CEST | Update | - |
| article html file updated | 18 April 2017 12:51 CEST | Original file | - |
| article xml uploaded. | 18 April 2017 12:49 CEST | Update | https://www.mdpi.com/1422-0067/18/4/841/xml |
| article pdf uploaded. | 18 April 2017 12:49 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/841/pdf |
| article pdf uploaded. | 15 April 2017 10:09 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/841/pdf-vor |
