| article html file updated | 7 February 2020 06:29 CET | Update | https://www.mdpi.com/1422-0067/17/4/453 |
| article html file updated | 5 May 2019 20:17 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:27 CET | Update | N/A |
| article html file updated | 28 April 2016 04:45 CEST | Update | N/A |
| article html file updated | 26 March 2016 15:12 CET | Original file | N/A |
| article xml uploaded. | 26 March 2016 15:09 CET | Original file | https://www.mdpi.com/1422-0067/17/4/453/xml |
| article pdf uploaded. | 26 March 2016 15:09 CET | Version of Record | https://www.mdpi.com/1422-0067/17/4/453/pdf |
