| article html file updated | 8 February 2020 05:16 CET | Update | https://www.mdpi.com/2227-9091/5/2/27 |
| article html file updated | 24 September 2019 16:48 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:09 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:13 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:49 CEST | Update | N/A |
| article html file updated | 12 May 2017 07:16 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 07:14 CEST | Original file | https://www.mdpi.com/2227-9091/5/2/27/xml |
| article pdf uploaded. | 12 May 2017 07:14 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/2/27/pdf |
| article pdf uploaded. | 9 May 2017 11:12 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/2/27/pdf-vor |
| article pdf uploaded. | 6 May 2017 13:10 CEST | Version of Record | https://www.mdpi.com/2227-9091/5/2/27/pdf-vor |
