Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD091210-01A1)
Japan Society for the Promotion of Science (JP16K09266, JP15K08938, JP17K09329)
University of Illinois at Chicago College of Nursing Dean's Fund
Received: 18 October 2017
Accepted: 22 March 2018
First Online: 13 April 2018
Ethics approval and consent to participate
: This study was approved by the University of Illinois at Chicago Institutional Review Board protocol number 2015-0692.
: Written consent was obtained by the subject portrayed in Fig. InternalRef removed.
: N.T. and the Educational Foundation of Hanada Gakuen possess a US patent 6575992B1, a Canadian patent CA 2339223, a Korean patent 0478177, a Taiwan patent 150135, a Chinese patent ZL00800894.9 (Title: Safe needle, placebo needle and needle set for double blind), and two Japanese patents 4061397 (Title: Placebo needle, and needle set for double-blinding) and 4315353 (Title: Safe needle) on the needles described in this abstract. N.T. is a salaried employee of the Educational Foundation of Hanada Gakuen. The remaining authors declare that they have no competing interests.
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