| article html file updated | 7 February 2020 13:58 CET | Update | https://www.mdpi.com/1422-0067/17/9/1406 |
| article html file updated | 5 May 2019 05:56 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:59 CET | Update | N/A |
| article html file updated | 27 September 2016 06:01 CEST | Update | N/A |
| article html file updated | 26 August 2016 13:39 CEST | Original file | N/A |
| article xml uploaded. | 26 August 2016 13:37 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1406/xml |
| article xml uploaded. | 26 August 2016 13:37 CEST | Original file | N/A |
| article pdf uploaded. | 26 August 2016 13:37 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1406/pdf |
