| article html file updated | 7 February 2020 22:34 CET | Update | https://www.mdpi.com/1422-0067/18/2/310 |
| article html file updated | 23 September 2019 03:20 CEST | Update | - |
| article html file updated | 4 May 2019 12:55 CEST | Update | - |
| article html file updated | 2 March 2017 09:55 CET | Update | - |
| article html file updated | 10 February 2017 07:51 CET | Original file | - |
| article xml uploaded. | 10 February 2017 07:50 CET | Original file | https://www.mdpi.com/1422-0067/18/2/310/xml |
| article pdf uploaded. | 10 February 2017 07:50 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/310/pdf |
| article pdf uploaded. | 1 February 2017 14:12 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/310/pdf-vor |
