| article html file updated | 8 February 2020 00:25 CET | Update | https://www.mdpi.com/2075-4663/5/1/18 |
| article html file updated | 23 September 2019 13:47 CEST | Update | - |
| article html file updated | 4 May 2019 09:04 CEST | Update | - |
| article html file updated | 30 March 2017 09:04 CEST | Update | - |
| article html file updated | 8 March 2017 05:40 CET | Update | - |
| article xml uploaded. | 8 March 2017 05:38 CET | Update | https://www.mdpi.com/2075-4663/5/1/18/xml |
| article html file updated | 2 March 2017 10:20 CET | Update | - |
| article pdf uploaded. | 2 March 2017 09:40 CET | Updated version of record | https://www.mdpi.com/2075-4663/5/1/18/pdf |
| article html file updated | 28 February 2017 09:41 CET | Original file | - |
| article xml uploaded. | 28 February 2017 09:39 CET | Original file | - |
| article pdf uploaded. | 28 February 2017 09:39 CET | Version of Record | https://www.mdpi.com/2075-4663/5/1/18/pdf-vor |
