function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrientos, Jose A. & Prieto, Carlos E. & Pina, Silvia', 2],
    ['Bosmans, Robert & Kherbouche-Abrous, Ourida & Benhalima, Souâd', 29],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 2],
    ['Chatzaki, Maria & Keer, Johan Van', 2],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 5],
    ['Crespo, Luis C. & Boieiro, Mario & Cardoso, Pedro', 2],
    ['Dean, David Allen', 3],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 4],
    ['Kovblyuk, Mykola M. & Kastrygina, Zoya A. & Omelko, Mikhail M.', 11],
    ['Liu, Ke-Ke & Yan, Jing & Xiao, Qi-xin & Luo, Chong', 2],
    ['Marjan Komnenov & Eva Pitta & Konstantina Zografou', 4],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 8],
    ['Ponomarev, A. V. & Bragina, T. M. & Shmatko, V. Yu.', 3],
    ['Ponomarev, A. V. & Shmatko, V. Yu.', 2],
    ['Ponomarev, Alexandr V.', 2],
    ['Other (15)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=97)',
    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);