| article html file updated | 8 February 2020 00:04 CET | Update | https://www.mdpi.com/1422-0067/18/3/480 |
| article html file updated | 23 September 2019 11:46 CEST | Update | - |
| article html file updated | 4 May 2019 09:52 CEST | Update | - |
| article html file updated | 30 March 2017 10:27 CEST | Update | - |
| article html file updated | 23 February 2017 11:03 CET | Original file | - |
| article xml uploaded. | 23 February 2017 11:01 CET | Original file | https://www.mdpi.com/1422-0067/18/3/480/xml |
| article pdf uploaded. | 23 February 2017 11:01 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/480/pdf |
