| article html file updated | 8 February 2020 03:53 CET | Update | https://www.mdpi.com/2227-9091/5/2/26 |
| article html file updated | 4 May 2019 01:38 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:12 CEST | Update | N/A |
| article html file updated | 27 April 2017 14:38 CEST | Update | N/A |
| article xml uploaded. | 27 April 2017 14:37 CEST | Update | https://www.mdpi.com/2227-9091/5/2/26/xml |
| article pdf uploaded. | 27 April 2017 14:37 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/2/26/pdf |
| article html file updated | 24 April 2017 08:42 CEST | Update | N/A |
| article pdf uploaded. | 24 April 2017 08:41 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/2/26/pdf-vor |
| article html file updated | 21 April 2017 13:51 CEST | Original file | N/A |
| article pdf uploaded. | 21 April 2017 13:50 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/2/26/pdf-vor |
| article pdf uploaded. | 19 April 2017 12:14 CEST | Version of Record | https://www.mdpi.com/2227-9091/5/2/26/pdf-vor |
