function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bolton, B. & Fisher, B. L.', 63],
    ['Cedric A. Collingwood & Donat Agosti & Mostafa R. Sharaf', 3],
    ['Collingwood, C. A.', 2],
    ['DE ALBUQUERQUE, EMÍLIA ZOPPAS & PRADO, LÍVIA PIRES DO', 1],
    ['Dang, An Van & Yamane, Seiki, & Nguyen, Anh D.,', 1],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 2],
    ['Espadaler, X.', 2],
    ['Guénard, Benoit & Mccaffrey, Katherine A. & Lucky, Andrea', 3],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 8],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 4],
    ['Schmidt, C. A. & Shattuck, S. O.', 2],
    ['Verheyde, Fons & Jacobs, JEffrEY & Dekoninck, WOUTEr', 2],
    ['Ward, P. S.', 6],
    ['Wild, A. L.', 24],
    ['Wild, Alexander L.', 3],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=139)',
    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);