function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Biakzuala, Lal & Lalremsanga, Hmar Tlawmte', 3],
    ['Boulenger, George Albert', 1],
    ['Chan, Kin Onn & Muin, Mohd Abdul & Anuar, Shahrul & Andam, Joel', 1],
    ['Chandramouli, S. R.', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 8],
    ['Hakim, Jonathan & Trageser, Scott J. & Ghose, Animesh', 1],
    ['JIANG, KE & REN, JIN-LONG & GUO, JUN-FENG & WANG, ZENG', 1],
    ['Jiang, Ke & Ren, Jin-Long & Guo, Jun-Feng & Wang, Zeng', 1],
    ['Kaiser, Hinrich & Carvalho, Venancio Lopes & Ceballos, Jester', 1],
    ['Mendis Wickramasinghe, L. J.', 1],
    ['Nguyen, Sang Ngoc & Nguyen, Vu Dang Hoang & Le, Manh Van', 2],
    ['Rooijen, Johan Van & Vogel, Gernot', 11],
    ['Syafiq, Muhamad Fatihah & Badli-Sham, Baizul Hafsyam', 2],
    ['Teynié, Alexandre & David, Patrick & Ohler, Annemarie', 2],
    ['Vogel, Gernot & van Rooijen, Johan', 3],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    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);