| article html file updated | 7 February 2020 05:24 CET | Update | https://www.mdpi.com/1422-0067/17/3/331 |
| article html file updated | 21 September 2019 12:29 CEST | Update | N/A |
| article html file updated | 5 May 2019 22:31 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:28 CET | Update | N/A |
| article html file updated | 30 March 2016 12:01 CEST | Original file | N/A |
| article pdf uploaded. | 3 March 2016 09:58 CET | Version of Record | https://www.mdpi.com/1422-0067/17/3/331/pdf |
| article xml uploaded. | 3 March 2016 09:58 CET | Original file | https://www.mdpi.com/1422-0067/17/3/331/xml |
