| article html file updated | 8 February 2020 06:49 CET | Update | https://www.mdpi.com/2076-3417/7/6/555 |
| article html file updated | 25 September 2019 00:56 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:12 CEST | Update | N/A |
| article html file updated | 27 June 2017 09:31 CEST | Update | N/A |
| article html file updated | 30 May 2017 10:36 CEST | Original file | N/A |
| article xml uploaded. | 30 May 2017 10:35 CEST | Update | https://www.mdpi.com/2076-3417/7/6/555/xml |
| article pdf uploaded. | 30 May 2017 10:35 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/6/555/pdf |
| article pdf uploaded. | 26 May 2017 13:42 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/555/pdf-vor |
