| article html file updated | 8 February 2020 04:41 CET | Update | https://www.mdpi.com/2076-3425/7/5/51 |
| article html file updated | 24 September 2019 13:48 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:12 CEST | Update | N/A |
| article html file updated | 31 May 2017 06:25 CEST | Update | N/A |
| article html file updated | 4 May 2017 04:38 CEST | Original file | N/A |
| article xml uploaded. | 4 May 2017 04:37 CEST | Update | https://www.mdpi.com/2076-3425/7/5/51/xml |
| article pdf uploaded. | 4 May 2017 04:37 CEST | Updated version of record | https://www.mdpi.com/2076-3425/7/5/51/pdf |
| article pdf uploaded. | 29 April 2017 10:04 CEST | Version of Record | https://www.mdpi.com/2076-3425/7/5/51/pdf-vor |
