| article html file updated | 7 February 2020 10:54 CET | Update | https://www.mdpi.com/1422-0067/17/7/912 |
| article html file updated | 5 May 2019 11:35 CEST | Update | - |
| article html file updated | 27 March 2019 08:49 CET | Update | - |
| article html file updated | 28 July 2016 07:20 CEST | Update | - |
| article html file updated | 28 June 2016 12:30 CEST | Original file | - |
| article xml uploaded. | 28 June 2016 12:04 CEST | Update | https://www.mdpi.com/1422-0067/17/7/912/xml |
| article pdf uploaded. | 28 June 2016 12:04 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/7/912/pdf |
