| article html file updated | 8 February 2020 14:55 CET | Update | https://www.mdpi.com/2075-4698/7/3/20 |
| article html file updated | 3 May 2019 04:19 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:46 CEST | Update | N/A |
| article html file updated | 6 September 2017 11:12 CEST | Update | N/A |
| article xml uploaded. | 6 September 2017 11:11 CEST | Update | https://www.mdpi.com/2075-4698/7/3/20/xml |
| article pdf uploaded. | 6 September 2017 11:11 CEST | Updated version of record | https://www.mdpi.com/2075-4698/7/3/20/pdf |
| article html file updated | 30 August 2017 15:15 CEST | Original file | N/A |
| article xml uploaded. | 30 August 2017 15:14 CEST | Original file | N/A |
| article pdf uploaded. | 30 August 2017 15:14 CEST | Version of Record | https://www.mdpi.com/2075-4698/7/3/20/pdf-vor |
