| article html file updated | 11 February 2020 02:22 CET | Update | https://www.mdpi.com/2218-273X/8/4/168 |
| article html file updated | 11 October 2019 18:10 CEST | Update | - |
| article html file updated | 27 April 2019 21:16 CEST | Update | - |
| article html file updated | 13 April 2019 17:07 CEST | Update | - |
| article html file updated | 2 April 2019 10:57 CEST | Update | - |
| article html file updated | 28 December 2018 04:01 CET | Update | - |
| article html file updated | 18 December 2018 11:43 CET | Update | - |
| article xml uploaded. | 18 December 2018 11:42 CET | Update | https://www.mdpi.com/2218-273X/8/4/168/xml |
| article pdf uploaded. | 18 December 2018 11:42 CET | Updated version of record | https://www.mdpi.com/2218-273X/8/4/168/pdf |
| article html file updated | 17 December 2018 03:12 CET | Original file | - |
| article pdf uploaded. | 17 December 2018 03:11 CET | Updated version of record | https://www.mdpi.com/2218-273X/8/4/168/pdf-vor |
| article xml uploaded. | 17 December 2018 03:11 CET | Update | - |
| article xml file uploaded | 17 December 2018 03:11 CET | Update | - |
| article pdf uploaded. | 10 December 2018 15:54 CET | Updated version of record | https://www.mdpi.com/2218-273X/8/4/168/pdf-vor |
| article pdf uploaded. | 10 December 2018 15:37 CET | Version of Record | https://www.mdpi.com/2218-273X/8/4/168/pdf-vor |
| article xml file uploaded | 10 December 2018 15:37 CET | Original file | - |