| article html file updated | 14 September 2021 05:48 CEST | Update | https://www.mdpi.com/1422-0067/18/10/2156 |
| article html file updated | 8 February 2020 18:33 CET | Update | - |
| article html file updated | 27 September 2019 19:03 CEST | Update | - |
| article html file updated | 2 May 2019 21:03 CEST | Update | - |
| article html file updated | 3 November 2017 06:17 CET | Update | - |
| article html file updated | 18 October 2017 06:07 CEST | Original file | - |
| article xml uploaded. | 18 October 2017 06:05 CEST | Original file | https://www.mdpi.com/1422-0067/18/10/2156/xml |
| article pdf uploaded. | 18 October 2017 06:05 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/10/2156/pdf |
| article pdf uploaded. | 16 October 2017 15:13 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/10/2156/pdf-vor |
