function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borkent, Art', 2],
    ['Borkent, Art & Dominiak, Patrycja & Díaz, Florentina', 1],
    ['Chen, Haiying & Liu, Yangqing & Yu, Yixin', 1],
    ['El-Hawagry, Magdi S. & El-Azab, Salah El-Din A.', 7],
    ['Farias, Emanuelle De Sousa & Santos, Sanmya Silva Dos', 3],
    ['Felippe-Bauer, Maria Luiza', 3],
    ['Felippe-Bauer, Maria Luiza & Silva, Tiago Do Nascimento Da', 3],
    ['Huerta, Herón & Dzul, Felipe', 2],
    ['Johannse, O. A.', 1],
    ['Marino, Pablo I. & Rossi, Juan F. & Cazorla, Carla G.', 4],
    ['Marino, Pablo I. & Tóthová, Andrea & Spinelli, Gustavo R', 3],
    ['Spinelli, Gustavo & Wolff, Marta', 3],
    ['Szadziewski, Ryszard & Dominiak, Patrycja', 10],
    ['Tóthová, Andrea & Spinelli, Gustavo R. & Marino, Pablo I.', 2],
    ['William L. Grogan, Jr. & Hribar, Lawrence J.', 13],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    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);