function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arimoto, Ishitaro', 7],
    ['GUERRA-GARCÍA, J. M.', 10],
    ['Guerra-García, J. M.', 27],
    ['Guerra-García, J. M. & Takeuchi, I.', 19],
    ['Guerra-García, José M.', 8],
    ['Guerra-García, José M. & Lowry, J. K.', 18],
    ['Guerra-García, José M. & Tato, Ramiro & Moreira, Juan', 14],
    ['Hughes, Lauren Elizabeth & Takeuchi, Ichiro', 6],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 22],
    ['Lim, Jacqueline Hui Chern & Othman, Bin Haji Ross', 4],
    ['Momtazi, Farzaneh & Sari, Alireza', 6],
    ['Paz-Ríos, Carlos E. & Guerra-García, José M.', 16],
    ['Sánchez-Moyano, J. E. & García-Asencio, I.', 7],
    ['Takeuchi, Ichiro & Lowry, James K.', 20],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 19],
    ['Other (33)', 60]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=263)',
    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);