function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chandramouli, S. R.', 1],
    ['Daltry, Jennifer C. & Wüster, Wolfgang', 1],
    ['Deepak, V. & Narayanan, Surya & Mohapatra, Pratyush P.', 1],
    ['Fatihah-Syafiq, Muhamad & Badli-Sham, Baizul Hafsyam', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 6],
    ['Fukuyama, Ryobu & Fukuyama, Ibuki & Kurita, Takaki', 1],
    ['Grismer, L. Lee & Quah, Evan S. H. & Anuar, Shahrul', 1],
    ['Hakim, Jonathan & Trageser, Scott J. & Ghose, Animesh', 3],
    ['Kaiser, Christine M. & Kaiser, Hinrich & O’Shea, Mark', 2],
    ['Kaiser, Hinrich & Carvalho, Venancio Lopes & Ceballos, Jester', 2],
    ['Luu, Vinh Quang & Nguyen, Truong Quang & Calame, Thomas', 4],
    ['Nguyen, Anh The & Duong, Tang Van & Wood Jr., Perry L.', 2],
    ['Syafiq, Muhamad Fatihah & Badli-Sham, Baizul Hafsyam', 2],
    ['Zhang, Jun & Jiang, Ke & Vogel, Gernot & Rao, Dingqi', 2],
    ['Ziegler, Thomas & Hendrix, Ralf & Thanh, Vu Ngoc & Vogt, Martina', 2],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);