| article html file updated | 7 February 2020 21:38 CET | Update | https://www.mdpi.com/1422-0067/18/1/177 |
| article html file updated | 22 September 2019 22:17 CEST | Update | - |
| article html file updated | 4 May 2019 14:50 CEST | Update | - |
| article html file updated | 8 February 2017 11:08 CET | Update | - |
| article html file updated | 19 January 2017 10:33 CET | Update | - |
| article xml uploaded. | 19 January 2017 10:31 CET | Update | https://www.mdpi.com/1422-0067/18/1/177/xml |
| article xml uploaded. | 19 January 2017 10:31 CET | Update | - |
| article pdf uploaded. | 19 January 2017 10:31 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/1/177/pdf |
| article html file updated | 17 January 2017 11:45 CET | Original file | - |
| article xml uploaded. | 17 January 2017 11:44 CET | Update | - |
| article xml uploaded. | 17 January 2017 11:44 CET | Original file | - |
| article pdf uploaded. | 17 January 2017 11:44 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/177/pdf-vor |