| article html file updated | 8 February 2020 16:15 CET | Update | https://www.mdpi.com/1422-0067/18/9/1981 |
| article html file updated | 27 September 2019 03:51 CEST | Update | - |
| article html file updated | 3 May 2019 01:52 CEST | Update | - |
| article html file updated | 30 September 2017 12:24 CEST | Update | - |
| article html file updated | 18 September 2017 11:00 CEST | Update | - |
| article xml uploaded. | 18 September 2017 10:59 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1981/xml |
| article xml uploaded. | 18 September 2017 10:59 CEST | Update | - |
| article pdf uploaded. | 18 September 2017 10:59 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/9/1981/pdf |
| article html file updated | 15 September 2017 08:13 CEST | Original file | - |
| article xml uploaded. | 15 September 2017 08:12 CEST | Original file | - |
| article pdf uploaded. | 15 September 2017 08:12 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1981/pdf-vor |
