| article html file updated | 11 February 2020 02:00 CET | Update | https://www.mdpi.com/2227-9032/6/4/142 |
| article html file updated | 11 October 2019 16:05 CEST | Update | - |
| article html file updated | 27 April 2019 22:02 CEST | Update | - |
| article html file updated | 13 April 2019 17:54 CEST | Update | - |
| article html file updated | 2 April 2019 10:00 CEST | Update | - |
| article html file updated | 26 December 2018 20:58 CET | Update | - |
| article html file updated | 17 December 2018 04:16 CET | Update | - |
| article pdf uploaded. | 17 December 2018 04:14 CET | Updated version of record | https://www.mdpi.com/2227-9032/6/4/142/pdf |
| article xml uploaded. | 17 December 2018 04:14 CET | Update | https://www.mdpi.com/2227-9032/6/4/142/xml |
| article xml file uploaded | 17 December 2018 04:14 CET | Update | - |
| article html file updated | 8 December 2018 08:05 CET | Original file | - |
| article pdf uploaded. | 8 December 2018 08:04 CET | Version of Record | https://www.mdpi.com/2227-9032/6/4/142/pdf-vor |
| article xml uploaded. | 8 December 2018 08:04 CET | Update | - |
| article xml file uploaded | 8 December 2018 08:04 CET | Original file | - |
