| article html file updated | 8 February 2020 16:20 CET | Update | https://www.mdpi.com/2227-7102/7/3/72 |
| article html file updated | 27 September 2019 04:15 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:44 CEST | Update | N/A |
| article html file updated | 27 October 2017 09:59 CEST | Update | N/A |
| article html file updated | 19 September 2017 13:16 CEST | Original file | N/A |
| article xml uploaded. | 19 September 2017 13:15 CEST | Original file | https://www.mdpi.com/2227-7102/7/3/72/xml |
| article pdf uploaded. | 19 September 2017 13:15 CEST | Updated version of record | https://www.mdpi.com/2227-7102/7/3/72/pdf |
| article pdf uploaded. | 15 September 2017 14:37 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/3/72/pdf-vor |
