function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arimoto, Ishitaro', 5],
    ['Cházaro-Olvera, Sergio & Winfield, Ignacio & Ortiz, Manuel', 1],
    ['Coleman, Charles Oliver & Krapp-Schickel, Traudl', 1],
    ['Galván-Villa, Cristian M. & Ayón-Parente, Manuel', 1],
    ['Guerra-García, J. M.', 2],
    ['Guerra-García, J. M. & Takeuchi, I.', 14],
    ['Guerra-García, José M. & Lowry, J. K.', 1],
    ['Guerra-García, José M. & Tato, Ramiro & Moreira, Juan', 1],
    ['Heo, Jun-Haeng & Shin, So-Yeon & Kim, Young-Hyo', 3],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 16],
    ['Lang, Carola & Krapp, Traudl & Melzer, Roland R.', 2],
    ['Paz-Ríos, Carlos E. & Guerra-García, José M.', 5],
    ['Sánchez-Moyano, J. E. & García-Asencio, I.', 3],
    ['Takeuchi, Ichiro & Nagano, Kohsei & Keable, Stephen J.', 2],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 4],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    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);