- Correspondence to Dr Yasuhiro Takahashi, Department of Oculoplastic, Orbital and Lacrimal Surgery, Aichi Medical University Hospital, 1-1 Yazako-Karimata, Nagakute, Aichi 480-1195, Japan;
- Received 15 June 2017
- Revised 13 September 2017
- Accepted 3 October 2017
- Published online 21 October 2017.
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