| article html file updated | 9 February 2020 00:52 CET | Update | https://www.mdpi.com/1424-8220/18/1/13 |
| article html file updated | 29 September 2019 09:50 CEST | Update | N/A |
| article html file updated | 2 May 2019 06:52 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:46 CEST | Update | N/A |
| article html file updated | 28 March 2019 10:20 CET | Update | N/A |
| article html file updated | 2 February 2018 09:33 CET | Update | N/A |
| article html file updated | 22 December 2017 09:04 CET | Original file | N/A |
| article xml uploaded. | 22 December 2017 09:02 CET | Update | https://www.mdpi.com/1424-8220/18/1/13/xml |
| article xml uploaded. | 22 December 2017 09:02 CET | Original file | N/A |
| article pdf uploaded. | 22 December 2017 09:02 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/13/pdf |
