| article html file updated | 9 February 2020 06:01 CET | Update | https://www.mdpi.com/2076-3271/6/1/13 |
| article html file updated | 29 September 2019 08:26 CEST | Update | - |
| article html file updated | 1 May 2019 19:50 CEST | Update | - |
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| article html file updated | 28 March 2019 22:01 CET | Update | - |
| article html file updated | 28 March 2018 10:21 CEST | Update | - |
| article html file updated | 12 February 2018 18:25 CET | Update | - |
| article xml uploaded. | 12 February 2018 18:23 CET | Update | https://www.mdpi.com/2076-3271/6/1/13/xml |
| article pdf uploaded. | 12 February 2018 17:18 CET | Updated version of record | https://www.mdpi.com/2076-3271/6/1/13/pdf |
| article html file updated | 12 February 2018 05:37 CET | Original file | - |
| article xml uploaded. | 12 February 2018 05:36 CET | Original file | - |
| article pdf uploaded. | 12 February 2018 05:36 CET | Updated version of record | https://www.mdpi.com/2076-3271/6/1/13/pdf-vor |
| article pdf uploaded. | 8 February 2018 17:48 CET | Version of Record | https://www.mdpi.com/2076-3271/6/1/13/pdf-vor |
