Fig. 1 Hypothetical example of a long-term n-of-1 trial

Fig. 2 Example of a long-term n-of-1 trial of acupuncture for an asthma patient

Fig. 3 A block diagram of the protocol of multiple randomized n-of-1 trials

Fig. 4 A schematic illustration of the concept of the gmi-byo-chih

Fig. 5 A hierarchy of the strength of evidence for treatment decisions

Fig. 6 Levels of evidence and grade of recommendations