| article html file updated | 7 February 2020 21:44 CET | Update | https://www.mdpi.com/2076-3417/7/1/93 |
| article html file updated | 22 September 2019 22:54 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:36 CEST | Update | N/A |
| article html file updated | 8 February 2017 09:49 CET | Update | N/A |
| article html file updated | 19 January 2017 05:11 CET | Update | N/A |
| article xml uploaded. | 19 January 2017 05:09 CET | Update | https://www.mdpi.com/2076-3417/7/1/93/xml |
| article pdf uploaded. | 19 January 2017 05:09 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/1/93/pdf |
| article html file updated | 18 January 2017 12:38 CET | Original file | N/A |
| article xml uploaded. | 18 January 2017 12:36 CET | Update | N/A |
| article xml uploaded. | 18 January 2017 12:36 CET | Original file | N/A |
| article pdf uploaded. | 18 January 2017 12:36 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/93/pdf-vor |