| article html file updated | 7 February 2020 23:18 CET | Update | https://www.mdpi.com/1422-0067/18/2/399 |
| article html file updated | 23 September 2019 07:25 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:26 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:10 CET | Update | N/A |
| article html file updated | 15 February 2017 04:15 CET | Original file | N/A |
| article xml uploaded. | 15 February 2017 04:13 CET | Original file | https://www.mdpi.com/1422-0067/18/2/399/xml |
| article pdf uploaded. | 15 February 2017 04:13 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/399/pdf |
| article pdf uploaded. | 13 February 2017 16:03 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/399/pdf-vor |
