function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 1],
    ['Ahyong, Shane T. & Chan, Tin-Yam', 1],
    ['Ahyong, Shane T. & Dawson, Elliot W.', 3],
    ['Arnes-Urgelles, Camila & Buglass, Salome & Ahyong, Shane T.', 2],
    ['Brösing, Andreas', 1],
    ['Castro, Peter', 2],
    ['González, José A.', 1],
    ['Hall, Sally & Thatje, Sven', 11],
    ['Macpherson, Enrique', 6],
    ['Macpherson, Enrique & Chan, Tin-Yam', 7],
    ['Martin, Joel W. & Haney, Todd A.', 12],
    ['Muñoz, Isabel & García-Isarch, Eva', 12],
    ['Olguín, Nicole & Ocampo, Emiliano H. & Farias, Nahuel', 1],
    ['Tiwari, Shivam & Padate, Vinay P. & Venugopalan, Vishnu K.', 4],
    ['Wicksten, Mary K.', 17],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=88)',
    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);