| article html file updated | 7 February 2020 23:43 CET | Update | https://www.mdpi.com/1424-8220/17/2/399 |
| article html file updated | 23 September 2019 09:46 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:37 CEST | Update | N/A |
| article html file updated | 2 March 2017 11:42 CET | Update | N/A |
| article html file updated | 22 February 2017 14:05 CET | Update | N/A |
| article xml uploaded. | 22 February 2017 14:04 CET | Update | https://www.mdpi.com/1424-8220/17/2/399/xml |
| article pdf uploaded. | 22 February 2017 14:04 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/399/pdf |
| article html file updated | 22 February 2017 11:46 CET | Update | N/A |
| article xml uploaded. | 22 February 2017 11:45 CET | Update | N/A |
| article pdf uploaded. | 22 February 2017 11:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/399/pdf-vor |
| article html file updated | 18 February 2017 08:37 CET | Original file | N/A |
| article xml uploaded. | 18 February 2017 08:36 CET | Original file | N/A |
| article pdf uploaded. | 18 February 2017 08:36 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/399/pdf-vor |
