| article html file updated | 7 February 2020 07:21 CET | Update | https://www.mdpi.com/1422-0067/17/4/575 |
| article html file updated | 5 May 2019 18:27 CEST | Update | - |
| article html file updated | 27 March 2019 02:03 CET | Update | - |
| article html file updated | 28 April 2016 05:21 CEST | Update | - |
| article html file updated | 15 April 2016 13:21 CEST | Update | - |
| article html file updated | 15 April 2016 13:20 CEST | Original file | - |
| article xml uploaded. | 15 April 2016 13:19 CEST | Update | https://www.mdpi.com/1422-0067/17/4/575/xml |
| article pdf uploaded. | 15 April 2016 13:19 CEST | Updated version of record | https://www.mdpi.com/1422-0067/17/4/575/pdf |
| article pdf uploaded. | 15 April 2016 13:19 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/4/575/pdf-vor |
