function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Balzan, L.', 1],
    ['Banks, Nathan', 2],
    ['Batuwita, Sudesh & Benjamin, Suresh P.', 1],
    ['Beier, Max', 6],
    ['Chamberlin, Joseph Conrad', 3],
    ['Gao, Zhizhong & Zhang, Kaiquan & Zhang, Feng', 1],
    ['Harvey, Mark S. & Barba D., Réne & Muchmore, William B.', 2],
    ['Harvey, Mark S. & Muchmore, William B.', 9],
    ['Hoff, C. Clayton', 1],
    ['Mahnert, Volker', 14],
    ['Mahnert, Volker & Iorio, Osvaldo Di & Turienzo, Paola', 1],
    ['Muchmore, William B.', 7],
    ['Romero-Ortiz, Catalina & García, Fabian & Villarreal, Eduardo', 3],
    ['Vachon, Max', 2],
    ['Viana, Ana Clara M. & Ferreira, Rodrigo L.', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);