| article html file updated | 8 February 2020 01:37 CET | Update | https://www.mdpi.com/2227-9091/5/1/19 |
| article html file updated | 23 September 2019 20:39 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:24 CEST | Update | N/A |
| article html file updated | 29 March 2017 05:57 CEST | Update | N/A |
| article html file updated | 22 March 2017 07:42 CET | Update | N/A |
| article xml uploaded. | 22 March 2017 07:41 CET | Update | https://www.mdpi.com/2227-9091/5/1/19/xml |
| article pdf uploaded. | 22 March 2017 07:41 CET | Updated version of record | https://www.mdpi.com/2227-9091/5/1/19/pdf |
| article html file updated | 19 March 2017 05:38 CET | Original file | N/A |
| article pdf uploaded. | 19 March 2017 05:36 CET | Updated version of record | https://www.mdpi.com/2227-9091/5/1/19/pdf-vor |
| article pdf uploaded. | 16 March 2017 12:44 CET | Version of Record | https://www.mdpi.com/2227-9091/5/1/19/pdf-vor |
