function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baer, J. G.', 2],
    ['Cable, Raymond M. & Connor, Robert S. & Balling, Jan W.', 3],
    ['Cable, Raymond M. & Kuns, M. L.', 1],
    ['Cremonte, Florencia & Drago, Fabiana B.', 1],
    ['Drago, Fabiana B. & Lunaschi, Lía I. & Draghi, Regina', 1],
    ['Fischthal, Jacob H. & Kuntz, Robert E', 2],
    ['Fugassa, Martin H.', 1],
    ['González-Acuña, Daniel & Cerda, Fabiola & López, Juana', 1],
    ['Hechinger, Ryan F.', 3],
    ['Jagerskiold, L. A.', 2],
    ['Johnston, S. J.', 1],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 5],
    ['Nicoll, W.', 5],
    ['Presswell, Bronwen & Blasco-Costa, Isabel & Kostadinova, Aneta', 2],
    ['Siddiqi, Ather H. & Cable, Raymond M.', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    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);