| article html file updated | 9 February 2020 02:50 CET | Update | https://www.mdpi.com/1422-0067/19/1/227 |
| article html file updated | 29 September 2019 20:43 CEST | Update | N/A |
| article html file updated | 2 May 2019 02:42 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:55 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:02 CET | Update | N/A |
| article html file updated | 2 February 2018 10:03 CET | Update | N/A |
| article html file updated | 12 January 2018 10:00 CET | Original file | N/A |
| article xml uploaded. | 12 January 2018 09:59 CET | Original file | https://www.mdpi.com/1422-0067/19/1/227/xml |
| article pdf uploaded. | 12 January 2018 09:59 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/227/pdf |
