| article html file updated | 8 February 2020 03:31 CET | Update | https://www.mdpi.com/2306-7381/4/2/22 |
| article html file updated | 4 May 2019 02:20 CEST | Update | N/A |
| article pdf uploaded. | 14 April 2017 10:09 CEST | Updated version of record | https://www.mdpi.com/2306-7381/4/2/22/pdf |
| article pdf uploaded. | 14 April 2017 10:06 CEST | Updated version of record | https://www.mdpi.com/2306-7381/4/2/22/pdf-vor |
| article html file updated | 13 April 2017 15:40 CEST | Original file | N/A |
| article xml uploaded. | 13 April 2017 15:39 CEST | Original file | https://www.mdpi.com/2306-7381/4/2/22/xml |
| article pdf uploaded. | 13 April 2017 15:39 CEST | Version of Record | https://www.mdpi.com/2306-7381/4/2/22/pdf-vor |
