| article html file updated | 7 February 2020 23:18 CET | Update | https://www.mdpi.com/1422-0067/18/2/398 |
| article html file updated | 23 September 2019 07:24 CEST | Update | - |
| article html file updated | 4 May 2019 11:26 CEST | Update | - |
| article html file updated | 2 March 2017 10:10 CET | Update | - |
| article html file updated | 14 February 2017 04:46 CET | Original file | - |
| article xml uploaded. | 14 February 2017 04:45 CET | Original file | https://www.mdpi.com/1422-0067/18/2/398/xml |
| article pdf uploaded. | 14 February 2017 04:45 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/398/pdf |
| article pdf uploaded. | 13 February 2017 15:45 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/398/pdf-vor |
