| article html file updated | 8 February 2020 01:48 CET | Update | https://www.mdpi.com/1996-1073/10/3/399 |
| article html file updated | 23 September 2019 21:47 CEST | Update | - |
| article html file updated | 4 May 2019 05:57 CEST | Update | - |
| article html file updated | 28 March 2017 11:46 CEST | Update | - |
| article html file updated | 27 March 2017 05:16 CEST | Update | - |
| article html file updated | 22 March 2017 02:04 CET | Original file | - |
| article xml uploaded. | 22 March 2017 02:03 CET | Original file | https://www.mdpi.com/1996-1073/10/3/399/xml |
| article pdf uploaded. | 22 March 2017 02:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/3/399/pdf |
| article pdf uploaded. | 20 March 2017 15:05 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/399/pdf-vor |
