| article html file updated | 10 February 2020 19:47 CET | Update | https://www.mdpi.com/2218-273X/8/4/136 |
| article html file updated | 10 October 2019 01:21 CEST | Update | - |
| article html file updated | 28 April 2019 11:54 CEST | Update | - |
| article html file updated | 14 April 2019 07:15 CEST | Update | - |
| article html file updated | 1 April 2019 17:03 CEST | Update | - |
| article html file updated | 28 December 2018 02:45 CET | Update | - |
| article html file updated | 5 November 2018 14:57 CET | Original file | - |
| article pdf uploaded. | 5 November 2018 14:56 CET | Version of Record | https://www.mdpi.com/2218-273X/8/4/136/pdf |
| article xml uploaded. | 5 November 2018 14:56 CET | Update | https://www.mdpi.com/2218-273X/8/4/136/xml |
| article xml file uploaded | 5 November 2018 14:56 CET | Original file | - |
