function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alavi, Jalil', 1],
    ['Alavi, Jalil & Awal, Mehdi Modarres & Fekrat, Lida', 6],
    ['Alavi, Jalil & Fekrat, Lida & Awal, Mehdi Modarres', 1],
    ['Alavi, Jalil & Minaei, Kambiz', 7],
    ['Borges, Paulo A. V. & Gaspar, Clara', 4],
    ['Masumoto, Masami & Okajima, Shûji', 9],
    ['Minaei, K.', 1],
    ['Minaei, Kambiz', 4],
    ['Minaei, Kambiz & Haftbaradarn, Farinaz & Khosravi, Ahmad Reza', 1],
    ['Minaei, Kambiz & Mound, Laurence', 2],
    ['Mirab-balou, M.', 27],
    ['Rasool, Iftekhar & Alattal, Yehya Zaki & Aldhafer, Hathal M.', 7],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Vierbergen, Gijsbertus', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);