function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kindi, Mohammed & Pickford, Martin & Al-Sinani, Yusouf', 2],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Don E. Wilson', 5],
    ['Don E. Wilson & Russell A. Mittermeier', 4],
    ['Ferretti, Marco P.', 2],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 6],
    ['Konidaris, George E. & Kostopoulos, Dimitris S.', 3],
    ['Linnaeus, Carolus', 2],
    ['Matschie, Paul', 2],
    ['Montoya, Plinio & Ginsburg, Léonard & Alberdi, María Teresa', 2],
    ['Suraprasit, Kantapon & Jaeger, Jean-Jacques', 2],
    ['Tabuce, Rodolphe & Delmer, Cyrille & Gheerbrant, Emmanuel', 6],
    ['Tassy, Pascal', 6],
    ['Wang, ShiQi & Shi, QinQin & He, Wen & Chen, ShanQin', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 9],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    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);