function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 4],
    ['Bishop, K. David', 1],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 31],
    ['Cibois, Alice & Vallotton, Laurent & Othman, Nagwa', 1],
    ['Coria, Oscar R. & Quiroga, Oscar B. & Navarro, José L.', 9],
    ['Dove, Carla J. & Saucier, Jacob & Whatton, James F.', 1],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 2],
    ['Fischer, Wagner & Faria de Godoi, Raquel', 2],
    ['Hermann, Johann', 1],
    ['Horsfield, Thomas', 2],
    ['Linnaeus, Carolus', 3],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Sigurðsson, Snorri & Cracraft, Joel', 17],
    ['Somenzari, Marina & Amaral, Priscilla Prudente do', 2],
    ['Suárez, William', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    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);