| article html file updated | 7 February 2020 07:38 CET | Update | https://www.mdpi.com/1422-0067/17/4/604 |
| article html file updated | 5 May 2019 17:53 CEST | Update | - |
| article html file updated | 27 March 2019 02:39 CET | Update | - |
| article html file updated | 28 April 2016 05:28 CEST | Update | - |
| article html file updated | 25 April 2016 09:29 CEST | Update | - |
| article xml uploaded. | 25 April 2016 09:28 CEST | Update | https://www.mdpi.com/1422-0067/17/4/604/xml |
| article pdf uploaded. | 25 April 2016 09:24 CEST | Updated version of record | https://www.mdpi.com/1422-0067/17/4/604/pdf |
| article html file updated | 21 April 2016 14:24 CEST | Original file | - |
