| article html file updated | 8 February 2020 02:18 CET | Update | https://www.mdpi.com/2076-0760/6/2/38 |
| article html file updated | 24 September 2019 00:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:56 CEST | Update | N/A |
| article html file updated | 13 April 2017 05:07 CEST | Update | N/A |
| article html file updated | 12 April 2017 07:44 CEST | Update | N/A |
| article html file updated | 12 April 2017 07:20 CEST | Update | N/A |
| article html file updated | 12 April 2017 05:25 CEST | Update | N/A |
| article html file updated | 28 March 2017 04:03 CEST | Original file | N/A |
| article xml uploaded. | 28 March 2017 03:43 CEST | Original file | https://www.mdpi.com/2076-0760/6/2/38/xml |
| article pdf uploaded. | 28 March 2017 03:43 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/2/38/pdf |
| article pdf uploaded. | 26 March 2017 11:58 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/2/38/pdf-vor |
